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Table 3-11. Control Words (Read/Write)

DESCRIPTION ADDRESS POSSIBLE VALUES

Command Word 1 Base+301 0 to 32767, See TABLE 3-12

Command Word 2 Base+302 0 to 32767, See TABLE 3-13

Table 3-12. ModBUS Command Word 1

(Read at address Base+301/Write Coils 1 through 16)

NAME BITS COIL FUNCTION DESCRIPTION

Start Full ICAL Calibration -

Sensor 1 0 1 Rtn's fault if any

Calibration in progress

Start Full ICAL Calibration -

Sensor 2 1 2 Rtn's fault if any

Calibration in progress

Start Full ICAL Calibration -

Sensor 3 2 3 Rtn's fault if any

Calibration in progress

Start Standard Full Calibration -

Sensor 1 3 4 Rtn's fault if any Calibration in progress

Start Standard Full Calibration -

Sensor 2 4 5 Rtn's fault if any Calibration in progress

Start Standard Full Calibration -

Sensor 3 5 6 Rtn's fault if any Calibration in progress

Start Standard Zero Calibration

Sensor 1 6 7 Rtn's fault if any Calibration in progress

Start Standard Zero Calibration

Sensor 2 7 8 Rtn's fault if any Calibration in progress

Start Standard Zero Calibration

Sensor 3 8 9 Rtn's fault if any Calibration in progress

Start UCAL Calibration -

Sensor 1 9 10 Rtn's fault if any Calibration in progress

Start UCAL Calibration -

Sensor 2 10 11 Rtn's fault if any Calibration in progress

Start UCAL Calibration -

Sensor 3 11 12 Rtn's fault if any Calibration in progress

Step UCAL 12 13 1 to step

Abort Calibration (any) 13 14 1 to abort

Reserved for future use 14 15

Not used 15 16

3-9

MSA Ultima Instruction Manual Addendum

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