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Event Output (Open Collector Output) Connection
Handling Precautions
• Do not short-circuit the positive (+) terminal of the external power supply
to terminals (5) to (8), (17) to (20), (10), (11), (22), (23), (27), (28), (31),
and (32) on the DCP552. Doing so causes the open collector outputs to
malfunction. (There is no short-circuit preventing circuit inside.)
• When connecting a semiconductor load such as a programmable
controller (sequencer), select a module in which the current directions
match.
Use one made inoperative by the leakage current produced when the
digital outputs are shut off.
4-11
5
+
—
6
7
8 17 18 19 20 9
EV1 EV2 EV3 EV4 EV5 EV6 EV7 EV8
External power supply
12 to 24V DC
Max. load current
Max. common current
Leakage current when OFF
External power supply
12 to 24V DC
Max. load current
Max. common current
Leakage current when OFF
10
+
—
11
22
23 27 28 31 32 24
EV9 EV10 EV11 EV12 EV13 EV14 EV15 EV16
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
Load
: 70mA/point
: 500mA
: less than 0.1mA
: 70mA/point
: 500mA
: less than 0.1mA
Chapter 4. WIRING