SEPAM Communications Troubleshooting

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SEPAM Communications Troubleshooting
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Power

• Communications module not powered

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Power

• Communications module not powered

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Terminating Jumper
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Protocol
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Modbus Wiring

• 2-Wire RS-485
• connects to and connects to -
• 4-Wire RS-485
• s and s are swapped
• TX gt RX, TX- gt RX-, etc.

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Modbus Configuration

• Modbus Address, Parity, Baud Rate

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Incorrect Sepam Port selection

• Sepam 80 has dual comm and remote module ports

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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

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ION Master Connections (cont)
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ION Master Connections (cont)
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ION Master Connections (cont)
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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

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Wrench 1 (Most Common)
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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

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Verifying Cause of Error

• IF you are able to connect with the software

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Questions?