Keithley Das 1800 Series Manual

7/30/2019 Keithley Das 1800 Series Manual

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DAS-1800ST/HR SeUsers Guide


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WARRA

Hardware

Keithley Instruments, Inc. warrants that, for a period of one (1) y2001, 2002, 2010 and 2700), the Keithley Hardware product wil

warranty will be honored provided the defect has not been cause

the instructions for the product. This warranty shall be null and v

is made by other than Keithley and not approved in writing by K

of the environmental specifications therefore.

Upon receiving notification of a defect in the Keithley Hardware

either repair or replace such Keithley Hardware. During the first

option, supply the necessary on site labor to return the product toif K i hl f d f d i h h ll li K


4/137

Disclaimer of WarrantiesEXCEPT FOR THE EXPRESS WARRANTIES ABOVE KEITHL

EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

ABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KE

RESPECT TO THE OTHER HARDWARE AND OTHER SOFTW

Limitation of LiabilityKEITHLEY INSTRUMENTS SHALL IN NO EVENT, REGARD

OR BE LIABLE FOR: (1) ECONOMICAL, INCIDENTAL, CON

EXEMPLARY DAMAGES, WHETHER CLAIMED UNDER CON

(2) LOSS OF OR DAMAGE TO THE CUSTOMER'S DATA OR P

CLAUSES OF ANY DESCRIPTION OR INDEMNIFICATION O

AGES, OR EXPENSES RELATED TO THE GOODS OR SERVIC


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The information contained in this manual is believed to

manufacturer assumes no responsibility for its use; nor

of third parties that may result from its use. No license

patent rights of the manufacturer.

THE MANUFACTURER SHALL NOT BE LIABLE F

CONSEQUENTIAL DAMAGES RELATED TO THE

NOT DESIGNED WITH COMPONENTS OF A LEV

USE IN LIFE SUPPORT OR CRITICAL APPLICATI

DriverLINX, SSTNET, and LabOBJX are registered tr


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The following safety precautions should be observed before

Although some instruments and accessories would normally b

where hazardous conditions may be present.

This product is intended for use by qualified personnel who r

Safety Prec


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When installing equipment where access to the main power co

input power disconnect device must be provided, in close pr

operator.

For maximum safety, do not touch the product, test cables, or

cuit under test. ALWAYS remove power from the entire test

or disconnecting cables or jumpers, installing or removing sw

stalling or removing jumpers.

Do not touch any object that could provide a current path to the c

ground. Always make measurements with dry hands while stand

voltage being measured.

The instrument and accessories must be used in accordance w

safety of the equipment may be impaired.


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Table

Preface

1 OverviewSupporting Software .

Accessories . . . . . . . .


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3 Setup and InstallatiUnwrapping and Inspe

Installing the Software

Installing the DAS-Package . . . . . . . . .

Before Installing

Selecting the Dri

Installing DriverLIN

Setting the Base Ad

Installing the Board . .

Configuring the DAS-1


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7 TroubleshootingProblem Isolation . . . .

Using the DriverLIN

Device InitializationIdentifying Sympto

Testing the Board an

Testing the Accesso

Technical Support . . .

A Specifications


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Analog Input Subsyste

Analog Input Initial

Internal Clocking. .

Burst Mode SamplinRepeat Mode Samp

External Clocking .

External Triggering

External Gating . . .

Simultaneous Samp

Analog Input Multip

Data Coding


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List of FiguresFigure 2-1. Block Di

Series Bo

Figure 2-2. Block DiSeries Bo

Figure 2-3. Block Di

Figure 2-4. Timing o

for Chan

Figure 2-5. Enabling

Figure 2-6. Enabling

Figure 2-7 Hardwar


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Figure 4-13. Wiring a

DAS-180

Configur

Figure 4-14. DifferentAvoids a

Figure 4-15. Two Con

Synchron

Figure 6-1. Potentiom

DAS-180

Figure 6-2. Potentiom

DAS-180


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Table 7-1. Troubles

Table A-1. Analog I

DAS-180

Table A-2. Analog IDAS-180

Table A-3. Analog O

DAS-180

Table A-4. Analog O

DAS-180

Table A-5. Digital I/

Table A-6 Power Su


16/137This guide is intended to help


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q Section 5 briefly describe

Test program.

q Section 6 describes calib

for starting the DriverLIN

q Section 7 contains inform

source of operating probl

for obtaining technical su

q Appendix A lists the spec

boards.


18/137The DAS 1800ST/HR Series


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q DAS-1802HR boards acq

resolution.

q DAS-1800ST-DA Series

(digital-to-analog conversimultaneously.

q DAS-1802HR-DA board

simultaneously.

q A 1024-location FIFO (fi

integrity at all sampling r

q A 256 location channel g


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Supporting Software

The following software for Dcurrently available DAS-1800

q DAS-1800ST/HR Series

with DAS-1800ST/HR S

Microsoft Windows 95/9

writing application progr

such as Microsoft Visual


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q DAS-1800ST/HR Series

provided as part of the D

package:

Analog I/O Utility and testing board ope

Test Utility Driver

operation.

Calibration Utility


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q C-2600A 24-inch cab

MB02 signal-conditionin

q CDAS-2000 SeriesTh

connecting a DAS-1800SSTP-50, or an EXP-1800

version of the CDAS-200

DAS-1800HR Series boa

q CAB-50 SeriesThe c

EXP-1800s; this cable is

CAB 50 is 4 inches long


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Function

This section describes the fea


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8or16

Channel

InputMUX

Diff./S.E.

Select

C

han.0/0

Chan.7/15

GEXT

A

nalog

Inputs

8Diff.

or

1

6S.E.


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16-Bit

Counter0

16-Bit

Counter1

16-Bit

Counter2

8 2 C 5 4

TG

OUT

SS

HO

XP

CLK

TG

IN

V


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8or16

Channel

InputMUX

Diff./S.E.

Select

Chan.0/0

Chan.7/15

GEXT

M

UX[7:4]

A

nalog

I

nputs

8Diff.

or

1

6S.E.


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Analog Input Features

The analog input section of Dall the active input channels (

down to a single, sampling A

resolution of the ADC is 12 b

Series boards and 16 bits (on

Other features of the analog i

inputs, a channel-gain queue,

t i d t t l d


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Low-Side Reference Selection fo

When you use single-ended i

low side of the amplifier: the common mode. The two sche

instrumentation amplifier is c

of the amplifier is connected

user-defined common mode,

a pin on the connector for use

Th d fi d


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DAS-1800ST/HR Series boar

unipolar input signals and 2s

given input range with the sam

unipolar mode doubles the co

Channel-Gain Selection

DAS-1800ST/HR Series boa

differential onboard analog in

you can increase the number

d h l d


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Sampling sequences and gain

communicated through the co

sections.

Multiplexer Control Lines M

Multiplexer lines MUX 4 to M

EXP-1800 expansion accesso

carry the channel-sequencing

through the main I/O connect


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Table 2-2. DAS-180for Unipo

Gain Unipola

1 0.0 to +1

2 0.0 to +5

4 0 to 2.5V

8 0 to 1.25


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You must give special consid

low-level signals with the DA

to 20mV, 100mV, or 0 to 10

for two reasons:

G The amplifier cannot sett

and 0 to 20mV ranges).

G Noise in the measuremen

post-acquisition filtering

The DAS-1801ST has best no


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On DAS-1800ST Series boar

one channel at any gain is 33

channel-to-channel sampling

maximum error) is shown in

Table 2-3. Maximum TBoards (Bip

DAS-1801STInput Range

DASInp


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The maximum throughput fo

mode and having less than 1

voltage source, is shown in T

Table 2-5. Maximum Throughp(Bipolar Mode - Ch

Max

To 5.0V To 1.0V

F 5 0V 312 5 k l / 250 k


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The maximum throughput fo

mode and having less than 1

voltage source, is shown in T


Max

To 10.0V To 5.0V

F 10 0V312.5 ksamples/s 312.5 ksa


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On DAS-1802HR boards, the

operation is 100 ksamples/s.

DAS-1802HR board, operatin

LSBs of error when driven fro

2-9.


Max

To 10.0V To 5.0V


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Data Conversion Modes


paced, burst, and burst with S

described as follows:

G Paced mode Paced m

channels at a constant rat

equals the pacer clock rat

which a single channel is

the number of channels y


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Pacer Clock

Paced Mode Conversions

Burst Mode Conversions

Burst Mode Conversions

(with SSH)

CH4

CH4 CH5 CH6 CH7

CCH6CH5CH4Hold


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analog input, the internal

such as the digital I/O thr

G Hardware (external clo

source must be an externto XPCLK (pin 44 of the

connectors J1 and J2). Th

software-selectable.

An external clock source

available with the 82C54

intervals, or if you want t


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Triggers

A trigger starts or stops an in

operation. An operation can u

operation must have a start tr

operation. You can use an opt

define when an operation stop

to start an analog input opera

G Internal When you en

begin immediately.


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delay shown between that po

than 1s. Figure 2-6 illustrate

hardware trigger.

Software enables

conversion process


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The about trigger is always a

about trigger, the operation st

been acquired after the occur

described in the following sec

provides the capability to defi

trigger event (pre-trigger acq

(before and after) a trigger ev

trigger event (post-trigger acq

Pre-Trigger Acquisition


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The way conversions are sync

an internal or an external cloc

G With internal clocking

signal goes inactive. Whereloaded with its initial c

therefore, with internal cl

gate signal.

G With external clocking

continues uninterrupted w

with external clocking, co


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Data Transfer Modes

Using the provided software,


transfer modes:

G Interrupt You can pro

events such asFIFO Half

occurs after the FIFO acc

computer memory. FIFO

contains data.


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Analog Output Features

DAS-1800ST-DA Series and

output section. The following

output sections for each of th

DAS-1800ST-DA Series Boards

The analog output section of


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10k pull-up resistors to +5V

with no signal connected.

Using Digital Control Signal DOS


of the main I/O connector or

for the purpose of strobing da

the data into a register in exte

Series boards use the positive


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G When using digital contro

shown in Figure 2-9b. No

between the active edge o

G

When using an internal trFigure 2-9c. Note that the

internal trigger/gate and t

Note: You can use TGOUT o

timing conversions.


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Using Digital Control Signal SSH

The SSHO digital control sig

Series boards to accommodat

is initiated by either the onbo

clock. Characteristics of the S

control are as follows:

G SSHO is normally low, si

mode.

G SSHO goes high (into the


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active

a. SSHO w

External Clock

SSHO


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If a DAS-1800 Series board i

other DAS-1800 Series board

software determines the sourc

until the interrupt request flag

computer to respond accordin

Power



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Setup a


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5. When you are satisfied w

and hardware setup instru

Note: DAS-1800ST/HR Serino further adjustment prior to

recalibrate the board, refer to

Installing the Software


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4. Determine whether your

DAS-1800ST/HR board.

5. Determine whether your

computers free resource6. Set any jumpers/switches

use your computers free

7. Set any other jumpers/sw

board the way you want i

jumper settings in order t


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3. The DriverLINX CD-RO

screen. Click Install Driv

instructions.

Note: To display an explanat

browser map that appears nex

mouse pointer over the menu

the item was selected previou


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Setting the Base Address

The base address switch on D

the factory for a value of 300

conflict with the address of aanother DAS-1800 Series boa

The base address switch is a

Figure 3-1.


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Installing the Board

Caution: Installing or remov

your computer.

Use the following steps to ins

accessory slot of your compu


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the interrupt and DMA chann

your computer system.

Table 3-1 lists I/O addresses c

compatible computers. Determaddresses within the range of

another resource in your syst

board), and set the switches t

Table 3-1. I/O A


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2B0H to 2DFH E

2E0H to 2EFH G

2E8H to 2EFH Se

2F8H to 2FFH Se

300H to 31FH Pr

Table 3-1. I/O Addr

Address Range U


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Series board and to verify tha

configured.

1. Start Windows as you no

Manager window.

2. Either select the Learn D

installed DriverLINX or

the Command Line edit b

by selecting the Run... op

drive where DriverLINX


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You can use DriverLINX to v

1. To physically initialize th

from the main menu in L

2. The first time the DAS-1configuration change, Dr

verify the operation and a

You are now ready to make I

descriptions of common I/O

DAS-1800ST/HR Series Boa


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Cabl


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J6

J7

J10

J11


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Pin assignments for the main

board are shown in Figure 4-

ODAC2 (NCH07 LO or CHCH06 LO or CHCH05 LO or CHCH04 LO or CHCH03 LO or CHCH02 LO or CHCH01 LO or CHCH00 LO or CH

(User Common Mode) U_C


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15

ODACODAC

CH07 LO oCH06 LO oCH05 LO oCH04 LO oCH03 LO oCH02 LO oCH01 LO oCH00 LO o

(User Common Mode) U


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Attaching an STP-50

The STP-50 is a compact scre

I/O connector of a DAS-1800Series cable, as shown in Fig

terminals of this panel are sho

DAS-1800ST/HR Series Boa


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Attaching SSH-8 Accessories

DAS-1800ST Series boards c

(The DAS-1802HR does not simultaneous-sample-and-ho

capabilities are described in t

serve as a front-end analog in

connected through an STA-1

must be set as slaves. Attach

cable as shown in Figure 4-7


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Attaching an MB01 Backplan

A DAS-1800ST/HR Series b

accepts one MB01 backplanefor attaching an MB01 backp

4-8.


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To J5 of the

STA-1800U

To J4 of the

STA-1800U

C-2600

Cable

C-2600

Cable


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CACC-200

Cables

To Next

STA-1800U

SetforCH5

SetforCH7

SetforCH6

SetforCH4


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Attaching EXP-1800 Expansi

An EXP-1800 expansion acce

a DAS-1800ST/HR Series boshown in Figure 4-11. To con

Series cable as shown in Figu


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Notes: If you are using a DA

an EXP-1800 expansion acce

EXP-1800 at a gain of 1 only

produce less than satisfactory

If you are using a DAS-1802H

recommended that you use on

using more than one EXP-18


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Precautions for Using a DAS-1801ST B

Operating a DAS-1801ST bo

problems if your application

250, each bit of A/D output cwith the high speed and band

performance degradation com

avoid them. The following co

avoiding these problems.

G Operate a DAS-1801ST b

the board in 16 channel


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To prevent this problem, use

G Avoid direct connections

G Make sure all connection

will not come loose and sG Use isolation amplifiers w

Connecting a Signal to a Single-E

Figure 4-12 shows the connec


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Connecting a Signal to a Differen

Figure 4-13 shows three conn

a channel of a DAS-1800ST/

inputs.

Channel n HighFl ti

+


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The upper two circuits of the

connections. (A floating sign

connection with earth ground

on a 3-wire AC line outlet.) F

resistors to provide a bias curthe bias return resistors (Rb)

using the following relationsh

G When Rs is greater than 1

circuit. The resistance of

equal 2000 Rs.


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Figure 4-14 shows the proper

grounded signal source. Mak

ground at the signal source, n

do not tie the two grounds tog

Channel n High

Grounded

Signal

+

Es Channel n LowEs


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Connecting Digital I/O Signals


outputs, as described in Dig

connections to the digital I/Oof the STA-1800U. The term

G Digital input The dig

G Digital output The di


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Connecting and Synchronizing M

You can synchronize up to th

and gate signals from the mai

same conversion rate as the oconversion rate from other bo

The onboard pacer clock is d

and gate operations. After eac

conversions begin within a de

programmed for a different c


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In scheme 2, you can start co

hardware trigger/gate input or

master/slave relationship; boa

the slaves.

If you use a software enable f

clock starts and triggers conv

0 conversions do not begin un

boards. The delay of board 0

built into the register that cre

function of the protection fea


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Testin

This section describes how to



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5. Select the Logical Device

in the Device Selection s

Scope, Meter, SST, and L

capabilities of your DAS

6. The Scope uses two analChB. Drag the channel se

to map them to different

7. The SST Signal Generato

to as ChA and ChB. Drag

Mapping section to map


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are advised to check the calib

lib t i if T


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Potentiometers and Test Poin

Figure 6-1 shows the location

involved with the calibration

R13R12T

Bip

olar

Offs

et

Gain

V


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Figure 6-1 shows the location

involved with the calibration

DAS-1802HR-DA board.

TP4

R13R12

TP5TP3

T

Bip

olar

Offs

et

Gain

V

R8

R1

R2

R3

R4

R5

R6

R7

DAC0Offse

t

DAC0Gain

DAC1Offse

t

DAC1Gain

DAC2Offse

t

DAC2Gain

DAC3Offse

t

DAC3Gain


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In both diagrams, the term RT

utility, described in the next s

explains what to do with them

DriverLINX Calibration Utility

DriverLINX Calibration Utili

procedure. Before calibration

setup panel to get the correct


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Tr

If your DAS 1800ST/HR Ser


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Device Initialization Error Messag

During device initialization, D

possible subsystems on the D

computer interface. If DriverLresponses, it reports an error

device initialization error me

G Device not found Bsetting or conflicts with a

settings. Also, dont conf

th D i LINX D i C


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Table 7-1. Troublesho

Symptom Possible Cause

Board does not

respond

Base address is incorrect or no

consistent with what the progr

is addressing.


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Data appears to be

invalid

The most common cause of th

problem is that the I/O bus speis in excess of 8MHz.

An open connection exists.

Another system resource is us

Table 7-1. Troubleshootin

Symptom Possible Cause


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Testing the Board and Host Com

To isolate the problem to the

computer, use the following s

Caution: Removing a board

your board and/or computer.

1 Turn the power to the ho


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Testing the Accessory Slot and I/

When you are sure that the co

computer accessory slot and

DAS-1800ST/HR Series boarcomputer accessory slot and t

1. Remove computer power

board that you know is fu

2. Turn computer power ON

board in place. This test c


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An applications engineer will

problem over the telephone. P

information available before

DAS-1800ST/HRSeries BoardConfiguration

Mod

Seri

Rev

Bas

Inte

Num


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If a telephone resolution is no

issue you a Return Material A

return the equipment. Include

regarding the equipment.

When returning equipment fo

G Your name, address, and

G The invoice or order num

G A description of the prob

h A b h


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Tables A 1 to A 7 list specific


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Temperature coefficient of

accuracy (includes ADC)Offset

Gain

20V/C (12V/C

20V/C (14V/C

20ppm/C for gain

Documents

Keithley Das 1800 Series Manual