User`s manual

Install and Wire, Chapter 2
10
WATLOW Series 965 User's Manual
Switched DC Output
Model # 965A - 3
C - 00 .
Output 1 Wiring
Figure 12 -
Switched dc Output
Wiring
Figure 15 -
0.5 Amp Solid-state
Relay Without
Contact Suppression
Wiring
Mechanical Relay Without Contact Suppression, Form C, 5 Amp
Model # 965A - 3
D - 00 .
External
Load
10
9
-
+
Figure 14 -
4-20mA Process
Wiring
Solid-state Relay Without Contact Suppression, 0.5 Amp
Model # 965A - 3
K - 00 .
External
Load
10
9
-
+
Maximum load
resistance:
800
Ω
Process, 4-20mA
Model # 965A - 3
F - 00 .
NOTE:
Switching inductive
loads (relay coils,
solenoids, etc.) with
the mechanical
relay, switched dc or
solid-state relay
output options
requires using an
R.C. suppressor.
Watlow carries the
R.C suppressor
Quencharc brand
name, which is a
trademark of ITW
Pakron. Watlow Part
No. 0804-0147-0000.
Figure 13 -
5 Amp Mechanical
Relay Wiring
NOTE:
When an external
device with a non-
isolated circuit
common is connected
to the 4-20mA or
Switched dc output,
you must use an
isolated or un-
grounded thermo-
couple.
External
Load
10
9
NO
COM
8 NC
Fuse
L1
L2
Customer Supplied
Quencharc
10
unregulated
V+
V—
9
Internal Circuitry
External
Load
10
SS1
SS1
8
Fuse
L1
L2
Custommer Supplied
Quencharc