Watlow PM PLUS™ 6
• 16 •
Chapter 1 Overview
Expanded Serial Communications
• Supports network connectivity to a PC or PLC
• Available in a wide range of protocol choices, including Modbus
®
RTU, EtherNet/IP™, Modbus
®
TCP
Function Key
Programmable Event
Digital Output (or Input) 5
& 6
(optional) none, switched dc
Digital Input (or Output) 5 & 6
(optional)
none, switch, volts dc
Input
Functions
Output
Functions
- None
- Idle set point
- Tune
- Alarm clear, request
- Force alarm
- Silence alarm
- Manual/auto mode
- Control outputs off
- Remote set point
enable
- Lock keypad
- TRU-TUNE+
®
disable
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
Analog Input 1
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slot A
(Optional)
Input Sensor
off, heat, cool
alarm, retransmit,
duplex, event
off, heat, cool
alarm, event
off, heat, cool
alarm, event
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
RUI, Controllers,
PLC, PC or HMI
Communications
EIA 232/485 Modbus RTU/TCP,
EtherNet/IP, DeviceNet, Profibus
Modbus Address
1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Communications
Board
Slot B
