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Installation, Wiring, and Specifications
2–38
Installation, Wiring, and Specifications
These micro PLCs feature eight DC inputs and six relay contact outputs. The
following diagram shows a typical field wiring example. The DC external power
connection uses three terminals at the left as shown.
Output Point Wiring
Ground
Power
Input Wiring
Input Point Wiring
AC or DC
Supply
DC
Supply
Derating Chart for Relay Outputs
0
2
4
6
Points
0 10 20 30 40 50 55
Ambient Temperature (
°
C/
°
F)
32 50 68 86 104 122 131
C °
F °
Y0 – Y5
2 A
Equivalent Output Circuit
COM
OUTPUT
To LED
Internal module circuitry
6–240 VAC
L
6–27 VDC
Line
+V
Equivalent Circuit,
Standard Inputs (X3 – X7)
Optical
Common
Input
+V
Isolator
+V
To LED
+
–
Fuse
+
–
12–24 VDC
+ –
12–24 V
20 W max.
–––
––– – – –
The eight DC input channels use terminals in the middle of
the connector. Inputs are organized into two banks of four.
Each bank has an isolated common terminal, and may be
wired as either sinking or sourcing inputs. The wiring
example above shows all commons connected together,
but separate supplies and common circuits may be used.
The equivalent circuit for standard inputs is shown above,
and the high-speed input circuit is shown to the left.
Input
Equivalent Circuit, High-
Speed Inputs (X0 – X2)
Optical
Common
+V
Isolator
+
–
To LED
To all other output circuits
The six output channels use terminals on the right side of the connector. Outputs are
organized into two banks of three normally-open relay contacts. Each bank has a
common terminal. The wiring example above shows all commons connected
together, but separate supplies and common circuits may be used. The equivalent
output circuit shows one channel of a typical bank. The relay contacts can switch AC
or DC voltages.
D0–05DR–D
I/O Wiring Diagram