Continuum I/O System Reference
21
I/O Connections
The actual input connections are located on a twelve-position removable screw terminal
connector located at the bottom of the module. Input wires should enter from either the
top or bottom wiring troughs, and should come from the left side of the rack (by
convention).
The inputs are labeled IN1, IN2, IN3, and so forth. Each pair of inputs is followed by a
connection labeled RET for the input signal return, resulting in a sequence of IN1, IN2,
RET, IN3, IN4, RET, and so on. For any given input, you should use the closest return
terminal either before or after that input—the next return terminal goes with the next two
inputs, and so on.
The twelve-position connector allows for eight inputs and four signal returns.
The diagram below indicates where each input number is located in the terminal block.
Shield/Earth Ground
1.
IN 1
2.
IN 2
3.
RETURN
4.
IN 3
5.
IN 4
6.
RETURN
7.
IN 5
8.
IN 6
9.
RETURN
10.
IN 7
11.
IN 8
12.
RETURN
USE COPPER CONDUCTORS ONLY
10 11 12
13 14 15
1-DOOR
OUT2
DIGITAL OUTPUTS
CONTACT RATING:
12
3
4
56
7
8
+
G
DC
A
T
A
/
1
L
K
/
0
N
D
V
L
E
D
A
U
X
O
O
R
R
E
X
READER
SUPERVISED
INPUTS(0-5V)
+ 5V, 100mA
+ 12V, 180mA
1-DOOR
ON
OFF
AUTO
OUT 2
ON
OFF
AUTO
D
9
R
E
T
1
23
READER
POWER
SWITCH SETTINGS
INPUT TYPE REFERENCE RANGE
TEMPERATURE ON 5 V
5V RANGE OFF 5 V
10V RANGE OFF 10 V
REFERENCE
RESISTOR
VOLTAGE
RANGE
OFF ON
5V 10V
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
ANALOG INPUTS
IN1
IN3 IN4 RETIN2 RET IN5 IN6 RET IN7 IN8 RET
123456789101112
USE COPPER CONDUCTORS ONLY
UI-8
POWER
COMM
STATUS
COMMISSION
RESET
UI-8-10
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