Watlow MICRODIN - Manual (Page 13)

13
Watlow MicroDIN Quick Start Guide
Output and Power Wiring
1 2 3 4 5 6 7 8 9 10
+
External
Load
-
dc+ CO
M
dc-
+
- Power
Supply
42V max.
1A max.
1 2 3 4 5 6 7 8 9 10
External
Load
CO
M
N.O.
Relay
Suppression
Fuse
L1
L2
+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 13c — Internal Output Circuitry
Figure 13d — Alarm Output
Figure 13b —
Control Output, Open Collector
with External Power Supply
Figure 3.4e — Power Wiring
Ó
WARNING:
To avoid potential elec-
tric shock, use National
Electric Code (NEC) safe-
ty 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 13a —
Control Output, Switched DC
with Internal Power Supply
External
Switching
Device
External
Switching
Device
NOTE:
Relay suppression
required only for induc-
tive loads.
Ó
WARNING:
If high voltage is applied
to a this 24V controller,
irreversible damage will
occur.