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TSX Micro to DCS via Modbus Jeff Worley - Square D, Tulsa OK field office, September 2002. TSX Micro - TSX3721001 V3.3 programmed with PL7 V4.2 TSXSCP114 Modbus PCMCIA using 2-wire RS485 DCS was Foxboro I/A with Modbus RS232 port. Configuration of SCY card in TSX Micro. TD(A) TD(B) RD(A)
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TSX Micro to DCS via ModbusJeff Worley - Square D, Tulsa OK field office, September 2002 TSX Micro - TSX3721001 V3.3 programmed with PL7 V4.2 TSXSCP114 Modbus PCMCIA using 2-wire RS485 DCS was Foxboro I/A with Modbus RS232 port Configuration of SCY card in TSX Micro
TD(A) TD(B) RD(A) RD(B)TERM 12V+ 12V- TSX Micro to DCS via ModbusJeff Worley - Square D, Tulsa OK field office, September 2002 Tested prior to shipment using a PC to simulate the DCS connection as follows PC running Modbus polling utility (Concept Reference data editor) or Modscan (free demo at www.win-tech.com) 9 pin Dsub Not Connected To DC power supply B&B Electronics Model 485PTBR RS232 to RS485 adapter 9 pin Dsub to Terminal Block Addresses are offset by one: Modbus 000001=%M0 Modbus 000002=%M1 Modbus 400001=%MW0 Modbus 400002=%MW1 EMI+ TSXSCP114 Modbus PCMCIA Don’t attempt to read %IW (analog inputs) directly, move them to memory words (%MW) and read them as 4X registers EMI-