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COMPONENT IDENTIFICATION
SIDE VIEW
SIDE DIP SW
•Input Range: SW1, SW2 (selectable per 4 channels)
INPUT 1 through INPUT 4 (SW1)
INPUT 5 through INPUT 8 (SW2)
1
2
OFF
OFF
ON
OFF
OFF
ON
•Conversion Rate: SW3
SW
160 ms (*)
SW3-1
OFF
SW3-2
OFF
(*) Factory setting
TERMINAL CONNECTIONS
Connect the unit as in the diagrams below and the next page.
DIMENSIONS mm (inch)
SW1
SW2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
ON
ON
RANGE
3
4
OFF
OFF
4 – 20mA (*)
OFF
OFF
0 – 20mA
OFF
OFF
-20 – +20mA
CONVERSION RATE
80 ms
40 ms
ON
OFF
OFF
ON
27.5 (1.08)
SW3
Range
1
Conv.
Input 1-4 (SW1)
2
Rate
or
3
Input 5-8 (SW2)
4
ON
STATUS INDICATOR LED
RUN indicator: Bi-color (red/green) LED;
ERR indicator: Bi-color (red/green) LED;
20 ms
ON
ON
110 (4.33)
FRONT VIEW
RUN LED
ERR LED
• Pin Assignment
B
A
20
20
B
A
1
1
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
Red with the input circuit abnormality (AD
converter response failure);
Green in normal operating conditions.
POSITIONING
GUIDE
P. 2 / 3
R3Y-SS8
Input Connector
EM-8958 Rev.3
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