ABB 266 MODBUS - Page 96

Appendix C MODBUS® register lists
88 | 266 MODBUS® multivariable transmitter User manual 2105216 Rev. AB
Register Address
Data
Type
Object description
Read/
Write
Added
Ext.
32 bit
16 bit
52
463 – 464
F
SP Damping time constant (Default 0.0 = disabled)
R/W
53
465 – 466
F
T Damping time constant (Default 0.0 = disabled)
R/W
54 –
190
467 – 740
RESERVED un-implemented registers
All access returns an ILLEGAL FUNCTION error code.
NONE
191
481
U16
Differential Pressure Units Code (ABB)
1 = inches of water
8 = Millibar (ROM default)
11 = Pascal
12 = Kilopascal
R/W
192
482
U16
Static Pressure Units select Code
6 = PSIA
7 = Bar (ROM default)
12 = Kilopascal
117 = Megapascal
R/W
193
483
U16
Temperature Units select Code
32 = Degree Celsius (ROM default)
33 = Degree Fahrenheit
34 = Degree Rankine
35 = Degree Kelvin
R/W
194
484
F
Mass / Volume Flow Unit (ref 407-408 register)
R/W
195
485
F
Volume Flow Unit (ref 409-410 register)
R/W
196
197
198
486
487 – 488
489 – 490
RESERVED un-implemented registers
All access returns an ILLEGAL FUNCTION error code
NONE
199
491
U16
Reset to factory configuration
Value written is the specific subsystem index to reset
-1 = ALL subsystem
0 = Coordinator subsystem
1 = Diagnosis subsystem
2 = Electronic subsystem
3 = HMI display subsystem
4 = Pressure subsystem
5 = Measurement sensor interface subsystem
6 = Sservice port interface subsystem
7 = Modbus subsystem
9 = Access role manager subsystem
10= Flow subsystem
11= Process temperature subsystem
Warning: all configuration for each subsystem will need to be reloaded.
R/W
200
492
U16
Modbus display text write lock
0 = able to change display text see 1001-1019
1 = disabled register writes to 1001-1019
R/W
205
501
RESERVED un-implemented registers
All access returns an ILLEGAL FUNCTION error code
NONE
206
502
U8
Baud rate selector
1 = 1200, 2=2400, 3=4800, 4=9600, 5=1200, 6=2400, 7=4800, 8=9600, 9=19200,
10=38400
R/W
207
503
U8
Modbus Device address
R/W
208
504
U8
Modbus turn-around response delay (ms per count)
R/W
209
505
U8
Modbus protocol communication Parity
0 = None
1 = Even
2 = Odd
R/W