Watlow MICRODIN - Manual (Page 27)

Wa t l o w M i c r o D I N 3 . 7
Install and Wire
Output and Power Wiring
1 2 3 4 5 6 7 8 9 10
+
External
Load
-
dc+ COM dc-
+
- Power
Supply
60V max.
1A max.
1 2 3 4 5 6 7 8 9 10
External
Load
COM N.O.
Relay
Suppression
Fuse
L1
L2
NOTE:
The current limit feature
is disabled in this version
of the controller.
NOTE:
Relay suppression
required only for
inductive loads.
+24V Î (dc)
Internal Circuitry
20
Ω
2K
Ω
4
dc+
5
dc-
6
COM
10 1 2 3 4 5 6 7 8 9
24V ‡ (ac/dc)
- +
Figure 3.7c — Internal Output Circuitry
Figure 3.7d — Alarm Output
Figure 3.7b —
Control Output, Open Collector
with External Power Supply
Figure 3.7e — Power Wiring
Ó
WARNING:
To avoid potential
electric shock, use
National Electric Code
(NEC) safety practices
when wiring and
connecting this unit to a
power source and to
electrical sensors or
peripheral devices.
Failure to do so could
result in injury or death.
1 2 3 4 5 6 7 8 9 10
+
External
Load
-
dc+ COM dc-
Figure 3.7a —
Control Output, Switched DC
with Internal Power Supply
External
Switching
Device
External
Switching
Device