Watlow ez-zone pm - PM Integrated Isolation Block

Watlow EZ-ZONE
®
PMI Controller • 30 • Chapter 2 Install and Wire
PM Integrated Isolation Block
Digital Inputs & Outputs
5-12
Switched DC, Open Collector,
Process outputs
Analog Input 1
Analog Input 2
Communications Ports
Controller
Low Voltage Power Bus
Mechanical Relay,
Solid-State Relay,
NO-ARC Relay
Outputs
Low-voltage Isolation: 42V peak
Safety Isolation: 2300VÅ (ac)
Safety Isolation
No Isolation
No Isolation
No Isolation
Low-voltage
Isolation
Low-voltage
Isolation
Controller Power Supply
12 to 40VÎ (dc)
20 to 28VÅ (ac)
100 to 240VÅ (ac)
Safety Isolation
Safety Isolation
Note:
Analog Input 1 can be optionally ordered as
an isolated input (see ordering information
in the back of this User’s Guide).