Graco Therm-O-Flow 200 Instructions - Parts Manual page 75

NOTE: The Therm-O-Flow Warm Melt is provided with
two screw terminal connectors that plug into the AMZ
System I/O Board (J9 and J11) located inside of the
Heat Control Box (S).
Wire the PLC Inputs
1. Turn off and disconnect power to the system.
2. Route a multi-conductor cable through one of the
cable grommets (CG) on the back of the Heat
Control Box (S).
F . 33
IG
3. Refer to the following sections (Digital Inputs (0 -
30 VDC) and Dry Contact Inputs (Open/Closed
Circuit), depending on the input type needed) to
wire the PLC inputs to the System I/O Board on
AMZ #1 (P1).
NOTE: On Therm-O-Flow Warm Melt systems with
expansion modules, an additional System I/O board is
included on AMZ #2 (Unit A-E). Do not wire PLC inputs
to the System I/O Board on AMZ #2 (Unit A-E), or AMZ
#4 (Unit B-E) if using the expansion module.
NOTE: PLC I/O should only wire to AMZ #1 for single
systems, or AMZ #1 and AMZ #3 on tandem systems.
See AMZ Dial Position on page 31.
3A8005A
Discrete Input Signal Specifications
The Therm-O-Flow Warm Melt will accept the following
input types:
Input Type
Digital Input
Dry Contact
P1
CG
Specifications
0-30 VDC
Signal Low: 0-2.5 V
Signal High: 10-30 V
Open/Closed Circuit
Signal Low: Open Circuit
Signal High: Closed Circuit
Integration
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