Open collector, Mechanical relay form c, Switched dc – Watlow EZ-ZONE PM Express Limit User Manual
Page 14: Mechanical relay form a, Outputs

EZ-ZONE PM Limit Express
• 14 •
Install & Wiring
Quencharc Note:
Switching pilot duty inductive loads (relay coils, solenoids, etc.) with the mechanical relay, or open collector
output options requires use of an R.C. suppressor (Quencharc).
Open Collector
Load
Power
Supply
dc -
common
X1
W1
PM _ L _ (C) _ - A A A A B _ _
Mechanical Relay
Form C
L1
J1
K1
normally open
common
normally closed
PM _ L _ (E) _ - A A A A B _ _
W1
dc +
dc -
Y1
common
Switched DC
PM _ L _ (C) _ - A A A A B _ _
L2
K2
Mechanical Relay
Form A
PM _ L _ _ (J) - A A A A B _ _
Note:
Output 2 is always the limit.
Outputs
Please note all outputs are connected exclusively to slot A. Output availability is based on the part number of
your Limit Control.
Note:
In the drawings below for each output notice that the Slot A connector labeling is identified with the corre-
sponding part number below.