User Manual
ProVU4 Controller, Profiler & Recorder/Controller - Product Manual
Page 102 Modbus Parameters 59407, Issue 1 – March 2008
Parameter Name Modbus Address Access Values
(Dec) (Hex)
Derivative Time
Constant
4315 0x10DB R/W 0.0 to 5999 Seconds
Bias 4316 0x10DC R/W For single control 0 to 100.
For Dual control -100 to 100
Overlap/Deadband 4317 0x10DD R/W -100 to 100
On/Off Differential 4320 0x10E0 R/W 0.1 to 100
Primary Power
Upper limit
4321 0x10E1 R/W 10 to 100% Can not be made smaller than Primary
Lower limit + 10
Heat/Primary Power
Lower limit
4322 0x10E2 R/W 0 to 90% Can not be made larger than Heat/Primary
Upper limit – 10
Cool/Secondary
Upper Power limit
4323 0x10E3 R/W 10 to 100% Can not be made smaller than
Cool/Secondary Lower limit + 10
Cool/Secondary
Power Lower limit
4324 0x10E4 R/W 0 to 90% Can not be made larger than
Cool/Secondary Upper limit – 10
Value Pre-Tune Engage/disengage
0 Pre-Tune OFF
Pre-Tune
Engage/disengage
4325 0x10E5 R/W
1 Run Pre-Tune
Value Self-Tune Engage/disengage
0 Self-Tune OFF
Self-Tune
Engage/disengage
4326 0x10E6 R/W
1 Self-Tune ON
Value Loop Alarm Type
1 Timed
Loop Alarm Type 4327 0x10E7 R/W
2
Automatic (2x Integral Time)
Loop Alarm Time 4328 0x10E8 R/W 1 to 5999 Seconds after output saturation
Primary Power 4329 0x10E9 RO The current primary power (0 to 100%)
Secondary Power 4330 0x10EA RO The current secondary power (0 to 100%)
Combined Power 4331 0x10EB RO The current combined PID power (-100 to 100%)
Value Pre-Tune Status
0 Inactive
Pre-Tune Status 4332 0x10EC RO
1 Active
Value Self-Tune Status
0 Inactive
Self-Tune Status 4333 0x10ED RO
1 Active
Value Loop Alarm Status
0 Inactive
Loop Alarm status 4334 0x10EE RO
1 Active
Input Failure Preset
Power
4335 0x10EF R/W Power output required if input signal is lost 0 to 100%
(-100% to 100% for dual control).
Value Auto Pre-Tune
0 Disabled
Auto Pre-tune 4336 0x10F0 R/W
1 Enabled