Uson Qualitek mR - 9.4 Modbus Holding Registers

9-10 Qualitek mR Owner’s Guide
9.4 Modbus Holding Registers
Modbus Holding Registers are used for QmR System Control and Test Specification. These regis-
ters are similar to Modbus Input Registers, except that the Modbus Master has read and write
access.
9.4.1 System Control
9.4.2 Test Setup: Specification
Holding
Registers
Address
(decimal)
Name/description of 16-bit values
40001 1 Start, Abort - tester control (Boolean packed binary)
Bit0 – Start
Bit1 – Abort
Holding
Registers
Address
(decimal)
Name/description of 16-bit values
40002 2 Set Program by Number (1 to 127 are valid)
Program #n Specifications to be set when 40039 command is written
40003 3 Fill/Evac 1 Target (float)
40005 5 Fill/Evac 2 Target (float)
40007 7 Fill/Evac 1 Min Reject (float)
40009 9 Fill/Evac 1 Max Reject (float)
40011 11 Fill/Evac 2 Min Reject (float)
40013 13 Fill/Evac 2 Max Reject (float)
40015 15 Fill/Evac 1 timer (float)
40017 17 Fill/Evac 2 timer (float)
40019 19 Isolate timer (float)
40021 21 Stabilize timer (float)
40023 23 Measure timer (float)
40025 25 Vent timer (float)
40027 27 Limits - Min 1 (float)
40029 29 Limits - Middle (float)