Crystal nVision Lab Reference - Manual (Page 7)

Module Queries and Commands  5
nVision Programming Instructions
Module Queries and Commands  5
X message Store
MOD:MSG? #
X model
MOD:MOD? #
X reading
MOD:RD? #
Note: The MA20 switch test states are “1” for open, and “0” for closed. Units for MA20 module are either “mA, % 4-20mA, %10-50mA
(for MA-20+ modules only), VDC, or Switch Test.”
X Serial number
MOD:SN? #
X unit
MOD:UNIT? #
Response: PSI , kg/cm2 , inHg , inH2O , mmHg , mmH2O , kPa , bar , mbar , MPa , user , C , F , R , K , Ohm , mA , %4-20mA , %10-50mA , VDC , or SwitchTest
Note: This query is only available when the nVision has R080007 or greater firmware.
X Water reference
MOD:H2O? #
Response: 4C , 60F , or 68F
Note: This query is only available when the nVision has R080007 or greater firmware and is populated with a pressure module (PM).