TCY-T0121 Intelligent Compact Controller
Version: 2004-07
Page 8/12
Control parameters
Parameters for Temperature Loop
Parameter
Description
Range
Standard
HC 00
2-pipe or 4-pipe system
OFF = 2-pipe system, ON = 4-pipe system
ON, OFF
OFF
HC 01
Dead zone between heating & cooling setpoint
0…10.0K
1.0 K
HC 02
Enable PI Control Module
OFF = Disabled, ON = Enable
ON, OFF
ON
HC 03
P – band heating control loop
0.1…10.0 K
2.0 K
HC 04
P – band cooling control loop
0.1…10.0 K
2.0 K
HC 05
Maximum of I part, Limits the influence of the integral
part on the output signal. 0 disables the I part
0.0…100 %
0.0 %
HC 06
Tn, Reset time of integral, 0.5 – 30 min
1…30 Min
10 Min
HC 07
Enable On Off Module
OFF = Disabled, ON = Enable
ON, OFF
OFF
HC 08
Enable 2-stage operation for reheat
OFF = Disabled, ON = Enabled
ON, OFF
OFF
HC 09
Enable 2-stage operation for re-cool
OFF = Disabled, ON = Enable.
ON, OFF
OFF
HC 10
Switching Span Reheat (second stage)
0.1…10.0 K
1.5 K
HC 11
Switching Span Re-cool (second stage)
0.1…10.0 K
1.0 K
HC 12
Switching Hysteresis, Accuracy for PI control
0.1…10.0 K
0.5 K
Parameters for Universal Loop
Parameter
Description
Range
Standard
1U 00
Cascade Control, Output of temperature loop is setpoint of
analog loop, ON = Cascade Active, OFF = no cascade
ON, OFF
OFF
1U 01
Dead zone for Universal Loop, range acc. to input
Acc Input
0
1U 02
Enable PI Reverse Loop
ON, OFF
OFF
1U 03
Enable PI Direct Loop
ON, OFF
OFF
1U 04
P – Band or Switching Span reverse acting.
Range according to input. Selecting 0 disables the P part.
Acc input
10
1U 05
P – Band or Switching Span direct acting.
Range according to input. Selecting 0 disables the P part.
Acc input
10
1U 06
Maximum of I part, Limits the influence of the integral
part on the output signal. 0 disables the I part
0.0…100 %
0.0
1U 07
Tn, Reset time of integral, 1 – 30 min
1…30 Min
2.0
1U 08
Enable 2-point control mode reverse acting
ON, OFF
OFF
1U 09
Enable 2-point control mode direct acting
ON, OFF
OFF
1U 10
Hysteresis, Accuracy for PI control
(Range according to input)
Acc input
5
1U 11
Use as temperature loop, HC -00 and Heat/Cool settings
apply to universal loop.
Reverse loop will be heating, direct loop cooling
ON, OFF
OFF
Input configuration
Parameter
Description
Range
Standard
IP 00
AI1: Minimum limitation of input signal
0 – Max %
0 %
IP 01
AI1: Maximum limitation of input signal
Min – 100%
100%
IP 02
AI1: Lower display transformation value
-50…Max
0
IP 03
AI1: Upper display transformation value
Min…205
100
IP 04
AI1: Samples taken for averaging control signal
1…255
1
IP 05
AI1: Unit of analog input
0 = no unit, 1 = %, 2 = °C / °F
0 - 2
0
