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?
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