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3-22
Getting Started:
PAC-5007/5107/5207/5307 Ver. 1.1, 12/2011 ICP DAS
3.13 Create Two Modbus Master/Slave Links
μPAC-5x07 can support max. two Modbus "Slave" (COM1, 2, 3) or two Modbus "Master"
(COM1 or 2/3) ports at the same time for various kinds of application.
COM3:
The COM3 of μPAC-5x07 is on the plugged XW-Board XW5xx.
RS-232 (with one XW503, XW504...XW-board) or
RS-485 (with one XW511... XW-board) or
RS-422 (with one XW507... XW-board)
Multi-Link:
One μPAC-5x07 PAC can link multi Modbus devices via RS-485 or RS-422. Every linked
device must have one unique NET ID (1 ~ 255). Their Baud rate and the Checksum
must be the same as the PAC’s.
Wire Connection (RS-232):
Wire Connection (RS-485/RS-422):