Register Maps; Critical Memory Bits; Memory Integers - Hach sc200 User Manual

Appendix B,

Register Maps

Do Not write-to or alter the ModCon 75 registers. Doing so
can affect proper operation of the controller. The following
register maps are provided for read-only use.

CRITICAL MEMORY BITS

10 ModBus Comm Failure
194 Acknowledge Alarm
261 Sensor 1 Calibration Active
262 Sensor 2 Calibration Active
263 Sensor 3 Calibration Active
670 Zone 1 Alarm
671 Zone 2 Alarm
672 Zone 3 Alarm
673 Zone 4 Alarm
674 Zone 5 Alarm
675 Zone 6 Alarm
676 Zone 7 Alarm
677 Zone 8 Alarm
678 Zone 9 Alarm

MEMORY INTEGERS

273 DEC ID #2 Fault status message number
274 DEC ID #3 Fault status message number
275 DEC ID #4 Fault status message number
276 DEC ID #5 Fault status message number
277 DEC ID #6 Fault status message number
278 DEC ID #7 Fault status message number
279 DEC ID #8 Fault status message number
280 DEC ID #9 Fault status message number
281 DEC ID #10 Fault status message number
282 DEC ID #11 Fault status message number
283 DEC ID #12 Fault status message number
284 DEC ID #13 Fault status message number
285 DEC ID #14 Fault status message number
286 DEC ID #15 Fault status message number
287 DEC ID #16 Fault status message number
288 DEC ID #17 Fault status message number
289 DEC ID #18 Fault status message number
" WARNING
B-1