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7-1
Section
Analog Input Units
115
Internal Circuits
I/O Unit
interface
Internal
power
supply
Insulating DC
to DC
converter
Input circuit
8 circuits
I/O Unit
interface
I/O Unit
interface
Photocoupler
Internal
circuits
Photocoupler
24 VDC
+
24 VDC
--
510 k
Ω
250
Ω
510 k
Ω
V+
--
I+
The arrangements of the terminals, the connectors and the connector pins are
shown in the following diagram.
Input
Attach MOLEX connectors to the analog input connectors, and connect the
inputs as shown in the following diagram, depending on whether voltage inputs
or current inputs are being used.
Applicable Connectors
Manufac-
turer
Connector
Model number
Remarks
MOLEX
Pressure-
welded
Housing
521-09-0390
For AWG#24
Crimp
Housing
50-57-9403
p
Reeled contacts 16-02-0069
For AWG#24 to 30
16-02-0086
For AWG#22 to 24
Loose contacts
16-02-0096
For AWG#24 to 30
16-02-0102
For AWG#22 to 24
Crimping tool
570-36-5000
For AWG#22 to 26
p g
11-01-0209
For AWG#24 to 30
Voltage input
connection
Current input
connection
24 VDC
Source
24 VDC
0 V
0 V
Terminal/Connector Pin
Arrangement
Wiring