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DCP200 Profile Controller & Recorder - Product Manual
51-52-25-150, Issue 1 – April 2009 Modbus Parameters Page 103
Parameter Name
Modbus Address
Access
Values
(Dec)
(Hex)
Proportional Band
Integral Time
Constant
4314 0x10DA R/W 0.0 to 5999 Seconds
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
Pre-Tune
Engage/disengage
4325 0x10E5 R/W
Value
Pre
-
Tune Engage/disengage
0 Pre-Tune OFF
1 Run Pre-Tune
Self-Tune
Engage/disengage
4326 0x10E6 R/W
Value
Self
-
Tune Engage/disengage
0 Self-Tune OFF
1 Self-Tune ON
Loop Alarm Type 4327 0x10E7 R/W
Value
Loop Alarm Type
1 Timed
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%)
Pre-Tune Status 4332 0x10EC RO
Value
Pre
-
Tune Status
0 Inactive
1 Active
Self-Tune Status 4333 0x10ED RO
Value
Self
-
Tune Status
0 Inactive
1 Active
Loop Alarm status 4334 0x10EE RO
Value
Loop Alarm Status
0 Inactive
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).
Auto Pre-tune 4336 0x10F0 R/W
Value
Auto Pre
-
Tune
0 Disabled
1 Enabled