ABB 266 MODBUS User Manual page 101

Register Address Type
32 bit 16 bit
* Means these are ROM constant defaults and a read will always return these values.
U8
7060 60
7061 61 U8
7062 62 U8
7131 131 U8
† Value selected using HMI must equal one of these specific measurement units, or a NAK will be returned.
401 – 402
7401 F
403 – 404
7402 F
405 – 406
7403 F
407 – 408
7404 U32
409 – 410
7405 U32
411 – 412
7406 U32
413 – 414
7407 F
415 – 416
7408 F
417 – 418
7409 F
419 – 420
7410 F
421 – 422
7411 F
423 – 424
7412 F
425 – 426
7413 F
427 – 428
7414 F
429 – 430
7415 F
431 – 432
7416 F
433 – 434
7417 F
435 – 436
7418 F
437 – 438
7419 F
439 – 440
7420 F
441 – 442
7421 F
443 – 444
7422 F
445 – 446
7423 F
447 – 448
7424 F
449 – 450
7425 F
451 – 452
7426 F
453 – 454
7427 F
*Constant / Object description
Default
†
Differential Pressure units select code
1 inch of water at 60 °F (ROM default)
2 Pascal
3 Kilopascals
6 inches of water at 68 °F
†
Static Pressure units select code
3 Kilopascal
4 Megapascal
5 PSIA (ROM default)
†
Temperature units select code
20 Degree Celsius
21 Degree Fahrenheit (ROM default)
Modbus turn-around response delay (ms per count)
Differential Pressure (Damping, Calibration and Units applied) floating point, 401 is
high word, 402 is low word.
Static Pressure (Damping, Calibration and Units applied) floating point, 401 is high
word, 402 is low word.
Process Temperature (Damping, Calibration and Units applied) floating point, 401 is
high word, 402 is low word.
This may be external RTD or sensor value depending on configuration.
Diagnostics Status Word 1 and 2
Diagnostics Status Word 3 and 4
Diagnostics Status Word 5 and 6
DP URL, Upper Range Limit (Set by Measurement Sensor)
DP LRL, Lower Range Limit (Set by Measurement Sensor)
DP URV, Operating Upper Range Value (default URL)
DP LRV, Operating Lower Range Value (default LRL)
SP URL, Upper Range Limit (Set by Measurement Sensor)
SP LRL, Lower Range Limit (Set by Measurement Sensor)
SP URV, Operating Upper Limit (default SP URL)
SP LRV, Operating Lower Limit (default SP LRL)
T URL, Upper Range Limit (default 850ºC)
T LRL, Lower Range Limit(default -200ºC)
T URV, Operating Upper Range Value (default URL)
T LRV, Operating Lower Range Value (default LRL)
DP offset calibration value (default 0.0)
DP span calibration value ( default URL)
DP damping (default 0.0)
SP offset calibration value (default 0.0)
SP span calibration value ( default URL)
SP damping (default 0.0)
T offset calibration value (default 0.0)
T span calibration value (default URL)
T dampening (default 0.0)
Appendix C MODBUS® register lists
266 MODBUS® multivariable transmitter User manual 2105216 Rev. AB | 93