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Output 2 Wiring
Figure 2.8a – Mechanical Relay Without Contact Suppression
93_ _- 1 _ D _ - 00_ _
Form C, 5A
Minimum load current:
100mA @ 5VÎ (dc)
Figure 2.8b – Solid-state Relay Without Contact Suppression
93_ _- 1_ K _- 00_ _
0.5A (ac loads only)
Figure 2.8c – Switched DC
93_ _- 1_ C _ - 00_ _
7
unregulated
V+
V—
6
Internal Circuitry
7 to 10V (dc)
94Ω
External
Load
7
6
-
+
External
Load
7
1
Fuse
L1
L2
Customer-supplied
Quencharc
6 COM
NC 1
7 NO
L1
L2
Customer-supplied
Quencharc
External
Load
Fuse
Install and Wire
2.8 ■ Install and Wire Watlow Series 93
NOTE:
Successful installation
requires four steps:
• Choose the controller’s
hardware configuration
and model number
(Appendix);
• Choose a sensor
(Chapter Two and
Appendix);
• Install and wire the
controller (Chapter Two);
• Configure the con-
troller (Chapters Three,
Four and Five).
NOTE:
Output is in open state in
Alarm Condition.
NOTE:
Switching inductive loads
(relay coils, solenoids,
etc.) with the mechanical
relay, switched dc or
solid-state relay output
options requires use of an
R.C. suppressor.
Watlow carries the R.C.
suppressor Quencharc
brand name, which is a
trademark of ITW Paktron.
Watlow Part No. 0804-
0147-0000.
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WARNING: To avoid dam-
age to property and equip-
ment, and/or injury or loss
of life, use National
Electric Code (NEC) stan-
dard wiring practices to
install and operate the
Series 93. Failure to do so
could result in such dam-
age, and/or injury or
death.