23
DLC REGISTER TABLE
The below limits are shown as Integers or HEX < > values. Read and write functions can be performed in either Integers or Hex as long as the conversion was done
correctly. Negative numbers are represented by two’s complement.
Note 1: The DLC should not be powered down while parameters are being changed. Doing so may corrupt the non-volatile memory resulting in checksum errors.
REGISTER
ADDRESS
1
REGISTER NAME LOW LIMIT
2
HIGH LIMIT
2
FACTORY
SETTING
3
ACCESS COMMENTS
CH A CH B CONTROLLING VALUES
40001 40017 Process Value N/A N/A N/A Read Only
40002 40018 Setpoint Value -32000 32000 0 Read/Write Limited by Setpoint Limit Low and Setpoint Limit High.
40003 40019 Alarm 1 Value -32000 32000 0 Read/Write
40004 40020 Alarm 2 Value -32000 32000 0 Read/Write
PID PARAMETERS
40005 40021 Output Power 0 or -1000 1000 0 Read/Write
40006 40022 Setpoint Deviation N/A N/A N/A Read Only
40007 40023 Proportional Band 0 9999 40 Read/Write 0 = On/Off Control, 1 = 0.1%
40008 40024 Integral Time 0 9999 120 Read/Write 0 = Off, 1= 1 second
40009 40025 Derivative Time 0 9999 30 Read/Write 0 = Off, 1= 1 second
40010 40026 Offset Power -1000 1000 0 Read/Write 1 = 0.1%; Applied when Integral Time is 0.
40011 40027 Auto-Tune Start 0 1 0 Read/Write 0 = Stop, 1 = Start; Mirror of Coil 16/28.
40012 40028 Auto-Tune Phase N/A N/A N/A Read Only 0 = Off, 4 = Last phase during Auto-Tune
40013 40029 Auto-Tune Code 0 2 0 Read/Write 0 = Fastest response, 2 = Slowest response
OUTPUT STATUS
40014 40030 Control Output OP1 N/A N/A N/A Read Only 0 = Off, 1 = On; Mirror of Coil 9/21.
40015 40031 Alarm Output AL1 0 1 0 Read/Write
40016 40032 Alarm Output AL2 / OP2 0 1 0 Read/Write
CONTROL STATUS
40041 40049 Control Mode 0 1 0 Read/Write 0 = Automatic, 1 = Manual; Mirror of Coil 12/24.
40042 40050 Disable Setpoint Ramping 0 1 0 Read/Write 0 = Enabled, 1 = Disabled; Mirror of Coil 13/25.
40043 40051 Setpoint Ramping In Process N/A N/A N/A Read Only 0 = No, 1 = Yes; Mirror of Coil 14/26.
40044 40052 Disable Integral Action 0 1 0 Read/Write 0 = Enabled, 1 = Disabled; Mirror of Coil 15/27
40046
40045 40053
Remote / Local Setpoint Select
Ramping Setpoint Value
0
N/A
1
N/A
0
N/A
Read/Write
Read/Write
SETPOINT CONTROLLER MODEL ONLYPROFILE OPERATION
40065 Profile Operating Status 0 3 0
0 = Off; 1 = Abort; 2 = Run/Start, 3 = Pause, 4 = Error
Delay (status only - writing a “4” will revert unit to mode
“3” Pause)
40066 40074 Profile Phase N/A N/A N/A Read Only 0 = Ramp; 1 = Hold
40067 40075 Profile Segment N/A N/A N/A Read Only
40068 40076 Profile Phase Time Remaining 1 9999 N/A Read/Write
40069 40077 Profile Cycle Count Remaining 1 250 0 Read/Write
40070 40078 Advance Profile Phase 0 1 0 Read/Write
INPUT PARAMETERS
40198 Ch B Assignment 0 1 0 Read/Write 0 = PID, 1 = Remote Setpoint
40199 0 2 0 Read/Write
40103
40102
40101
40203
40202
40201
Resolution
Temperature Scale
Input Type
0
0
0
1
1
17
0
0
2
Read/Write
Read/Write
Read/Write
0 = °F, 1 = °C, For Input Types 0-11.
See Input Listing
1 = 0.1%, 0.0 = Off; Limited by Power Low Limit and
Power High Limit in Automatic Control Mode. Negative
percent is cooling (direct) available when AL2 is
Cooling. Write only possible during Manual mode.
Deviation = Process Value - Setpoint Value; During
Auto-Tune: Process Value - Auto-Tune Setpoint Value
0 = Off, 1 = On; A write of 1 is only possible when
alarm is set for Manual. Mirror of Coil 10/22.
0 = Off, 1 = On; A write of 1 is only possible when
alarm is set for Manual. Mirror of Coil 11/23.
(0 = Stop, 1-20 = Current Segment)
1
For Input Registers, replace the 4xxxx with a 3xxxx in the above register address. The 3xxxx are a mirror of the 4xxxx Holding Registers.
2
An attempt to exceed a limit will set the register to its high or low limit value.
3
See MODBUS Calibration for procedure on restoring Factory Settings.
1 = Advances “running” Profile to next ramp or hold
phase
0 = Local Setpoint, 1= Remote Setpoint
Actual Setpoint Value used for control (ramps when
ramping enabled.) Limited by Setpoint Limit Low and
Setpoint Limit High.
40073
Read/Write
(0-3 only)
1= 0.1 Minute; Can make temporary change on the fly
Value Over-range = 32003 (may occur on extremely
slow ramp; Ramp will function properly)
0-250; If Cycle Count (40326/40426) is 250
(Continuous operation), value will reset to 250 at 0.
Local / Remote Setpoint
Transfer Mode
0 = Normal (Output may bump)
1 = Auto (Output may bump)
2 = Track (Local Setpoint assumes value of Remote SP
for Remote to Local Transfer)
Input Types 0-12 0=Low (x1) whole input units, 1
= High (x10) tenth of input units, Input Type 13 0 = 0.1
mV, 1 = 0.01 mV, Input Types 14-15, N/A
Process value of present input level. This value is
affected by Input Type, Resolution, & Scaling. In
Square Root Extraction Modes, the Process Value will
read zero for inputs below 0.1% of full scale.
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