Rockwell Automation AADvance Controller Configuration Guide - Manual (Page 206)

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9-20 Document: 553633
ICSTT-RM405f-EN-P
Issue 07
Configuration Guide (AADvance Controller)
Table 25: Modbus Master Communication and Control Settings
Description Value(s) Default Remarks
Protocol RTU or TCP RTU
Port Type Serial or Ethernet Serial (†)
Port Id S1-1 .. S3-2 Sn-1, where n
identifies processor
Timeout 0 to 60,000ms 1000ms
Control Variable
Address 1 to 65,536,
or 0 to disable 0 The address of a control register (a
holding register). (††)
0 = inactive
1 = standby
2 = active
Status Variable
Address
1 to 65,536,
or 0 to disable
0 The address of a status register (a
holding register). (††)
0 = healthy
1 = initializing
2 = error
Message Wait
Interval 0 to 65,535ms 100ms For legacy Modbus slave devices
with slow communications
responses
Note: (†) The AADvance Workbench sets the Port Type field automatically after you
set the Protocol field. You cannot set the Port Type field manually.
(††) The 'remarks' here summarize the values allowed for the contents of the register.
The Control variable may be written to by the application to switch the state of the
master. The Status variable may be read by the application to monitor the master.
These variables are described in Controlling a Modbus Master Object.