Instruction Manual

Watlow Series PD ■ 83 ■ Chapter 9 Device Config Table
Device Configuration > Control Loops > Loop 2
Loop 2 - Closed Indirect PowerDisplay Indirect (Heat) power output for Loop 2.,Monitor DeviceTrend Information,,0 to 10000,0,97 (R)
(/100)
Loop 2 - Closed Direct PowerDisplay Direct (Cool) power output for Loop 2.,Monitor DeviceTrend Information,,-10000 to 0,0,98 (R) (/100)
Loop 2 - Working Set Point,Monitor Device,,,75000,92-93 (R) (/1000)
Loop 2 - Auto Set pointDisplay the closed loop (auto) set point for Control Loop 2.,Monitor DeviceTrend Information,,,75000,90-91 (R/W)
(/1000)
Loop 2 - Manual/Auto ModeTransitions between open loop (manual) and closed loop (auto) control.,Monitor DeviceTrend Information,,Off
(0)Manual (1)Auto (2),Off (0),94 (R/W)
Loop 2 - Manual Set pointDisplay the open loop (manual) set point for control loop.,Monitor DeviceTrend Information,,-10000 to 10000,0,89
(R/W) (/100)
Loop 2 - Loop ActionSelect the action of the Loop as Indirect (heat only), Direct (cool only) or Dual (Heat/Cool),Configuration Loop Settings
2,,Off (0)Heat (Indirect) (1)Cool (Direct) (2)Heat/Cool (Indirect/Direct) (3),Off (0),773 (R/W)
Loop 2 - Loop Indirect (Heat) AlgorithmSelect method of control algorithm used for Indirect (Heat) for Loop 2.,Configuration Loop Settings
2,,On/OffPID,PID (1),771 (R/W)
Loop 2 - Loop Direct (Cool) AlgorithmSelect method of control algorithm used for Direct (Cool) for Loop 2,Configuration Loop Settings
2,,On/OffPID,PID (1),772 (R/W)
Parameter Name
and Description
Web Page Your
Settings
Range Default Modbus*
(Read/write and
scaling)
Loop 2 - Closed Indirect Power
Display Indirect (Heat) power
output for Loop 2.
Monitor Device
Trend Information
0 to 10000 %
(two decimal places)
0 97 (R) (/100)
Loop 2 - Closed Direct Power
Display Direct (Cool) power out-
put for Loop 2.
Monitor Device
Trend Information
-10000 to 0 %
(two decimal places)
0 98 (R) (/100)
Loop 2 - Working Set Point
Active set point. Could be one of
several set point sources, Auto
Set Point, Digital Set Point or
Ramp to Set Point
Monitor Device 75000 92-93 (R)
(/1000)
Loop 2 - Auto Set Point
Display the closed loop (auto)
set point for Control Loop 2.
Monitor Device
Trend Information
75000 90-91 (R/W)
(/1000)
Loop 2 - Manual/Auto Mode
Transitions between open loop
(manual) and closed loop
(auto) control.
Monitor Device
Trend Information
Off (0)
Manual (1)
Auto (2)
Off (0) 94 (R/W)
Loop 2 - Manual Set Point
Display the open loop (manu-
al) set point for control loop.
Monitor Device
Trend Information
-10000 to 10000 %
(two decimal places)
0 89 (R/W) (/100)
Loop 2 - Loop Action
Select the action of the Loop as
Indirect (heat only), Direct (cool
only) or Dual (heat/cool)
Configuration Loop
Settings 2
Off (0)
Heat (Indirect) (1)
Cool (Direct) (2)
Heat/Cool (Indirect/Direct)
(3)
Off (0) 773 (R/W)
Loop 2 - Loop Indirect (Heat)
Algorithm
Select method of control algo-
rithm used for Indirect (Heat)
for Loop 2.
Configuration Loop
Settings 2
On/Off (0)
PID (1)
PID (1) 771 (R/W)
Loop 2 - Loop Direct (Cool)
Algorithm
Select method of control algo-
rithm used for Direct (Cool) for
Loop 2
Configuration Loop
Settings 2
On/Off (0)
PID (1)
PID (1) 772 (R/W)