SEPAM Communications Troubleshooting

Power

Communications module not powered

Power

Communications module not powered

Terminating Jumper

Protocol

Modbus Wiring

2-Wire RS-485 + connects to + and – connects to -

4-Wire RS-485 +’s and –’s are swapped TX+ > RX+, TX- > RX-, etc.

Modbus Configuration

Modbus Address, Parity, Baud Rate

Incorrect Sepam Port selection

Sepam 80 has dual comm and remote module ports

ION Master Connections

To communicate to an ION meter there are two communication port settings that need to be made. Comm port on the meter needs to be

set to Modbus Master Modbus Master Options Module must

have the comm port assigned to ModbusGate Connection

ION Master Connections (cont)

ION Master Connections (cont)

ION Master Connections (cont)

Common Wrench Errors

Wrench 1 (most common) Typically CCA63x (CT module) is absent I/O module is absent

Wrench 2 Typically caused by faulty wiring between remote module

connection. Wrench 3

MET148-2 (Temp Module) module is not available Wrench 4

MSA141 (Analog Module) is not available DSM303 (Remote Display) is not available

Wrench 5 MCS025 (Sync-Check) is not available

Wrench 10 CPU overload (Sepam 80 only) typically caused by excessively

large Logipam program

Wrench 1 (Most Common)

Wrench 1

Normally caused by: CT module not attached to relay I/O card is configured in the software

but is not attached to relay If you are unable to connect with

SFT2841 it could indicate a major fault with the base unit

On Sepam 80 it could indicate a faulty memory cartridge

Verifying Cause of Error

IF you are able to connect with the software…

Questions?