ABB OTM C 21D User Manual

15
AUTOMATIC TRANSFER SWITCH, OTM_C_21D
Register (continued) Address
(DEC)
Function
code
(DEC)
Values
LAST_ALARM 25 04 0=No alarms
1= Switch I transfer fail
2= Switch II transfer fail
3=Both I and II are ON
4= Switch I transfer fail in emergency off
5= Switch II transfer fail in emergency off
SW_VERSION 26 04 Bit8-15= Major SW version (e.g. 0x1A=26)
Bit0-7 =Minor SW version (e.g. 0xAA=170)
PHASES 27 04 0= 3 phases with Neutral line
1= 3 phases without Neutral line
2= 1 phase
RATED_FREQUENCY 28 04 0=50Hz
1=60Hz
GENERATOR_STOP_DELAY 29 04 0=30s
1=240s
GENERATOR_USAGE 30 04 0= No Generator
1= Generator In Use
GENERATOR_START 31 06 1=Start generator
CONTROL 32 06 1= Remote control to I
2= Remote control to O
3= Remote control to II
4= Enter remote test function (see 3.3.2)
OPERATING_MODE 33 03/06 0=Local monitoring mode
1= Remote control mode
Table 4. OTM_C21D register information
Modbus parameters configuring and ATS control function is available only when OTM_C21D
is working in remote control mode
Remote control can only be operated under automatic operation mode
After remote control, OTM_C21D must be reset to Local monitoring mode, then it can re-
turn to automatic operation mode

ABB OTM C 21D Specifications

General

Brand	ABB
Model	OTM C 21D
Category	Switch
Language	English