Rockwell Automation 900 Temperature Controller Communications Functions - Series B - Manual (Page 74)

Publication 900-UM004D-EN-E - July 2010
4-16 Modbus Communications Procedure
Command Code and Related Information
Response Code
Normal Completion
Table 4.12
Command Code Command Content Related Information
00 Communications writing 00: OFF (disabled)
01: ON (enabled)
01 RUN/STOP 00: Run
01: Stop
02 Multi-SP 00: Set point 0
01: Set point 1
02: Set point 2
03: Set point 3
03 AT execute/cancel 00: AT cancel
01: 100% AT execute
02: 40% AT execute
04 Write mode 00: Backup mode
01: RAM write mode
05 Save RAM data 00
06 Software reset 00
07 Move to setup area 1 00
08 Move to protect group 00
09 Auto/manual switch 00: Automatic mode
01: Manual mode
0B Parameter initialization 00: Initialize to defaults
0C Alarm latch cancel 00: Alarm 1 latch cancel
01: Alarm 2 latch cancel
02: Alarm 3 latch cancel
03: HB alarm latch cancel
04: HS alarm latch cancel
05: OC alarm latch cancel
0F: All alarm latch cancel
0E Invert direct/reverse
operation 00: Not invert
01: Invert
11 Program start 00: Reset
01: Start
Table 4.13
Function Code Error Code Name Description
H’06 — Normal completion No errors were found.