(no communications options 2 to 3)
Universal Sensor Input, Configuration Communications,
Red/Green
Input
Functions
input sensor
none,
idle set point, alarm reset, tune, silence alarm, manual/auto mode, control outputs off,
Network
remote user interface, personal computer, programmable logic controller, human- machine interface
input sensor
Analog Input 1 thermocouple, RTD, process (V, mV, mA, 1k po- tentiometer)
Digital Input (or Output) 5
(optional) none, switch, volts dc
Digital Input (or Output) 6 (optional) none, switch, volts dc
EZ Key
programmable event
EIA 485 Communications
Standard Bus, Modbus RTU (optional)
Analog Input 2 thermocouple, RTD, process (V, mV, mA, 1k po- tentiometer)
PID
Controller
Board
Slot A
Supervisory
&
Power
Board
Slot C
Remote Set
Point
Board
(optional)
Slot B
Output 1 none, switched dc/open collector, form C mechanical (5 A) or
Output 2 none, switched dc,
Digital Output (or Input) 5 (optional) none, switched dc
Digital Output (or Input) 6 (optional) none, switched dc
Output 3 none, switched dc/open collector, form C mechanical (5 A) or
Output 4 none, switched dc, form A mechanical (5 A) or
Output
Functions
off, heat, cool, duplex, alarm, retransmit, event
off, heat, cool, alarm, event
off, heat, cool, alarm, event
off, heat, cool, alarm, event
off, heat, cool, duplex, alarm, retransmit, event
off, heat, cool,
alarm, event
•Supports efficient set point manipulation from a remote device, such as a master control or PLC.
Watlow | • 5 • | Chapter 1 Overview |