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COMPONENT IDENTIFICATION
FRONT VIEW
RUN LED
ERR LED
STATUS INDICATOR LED
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Bi-color (red/green) LED;
Red with the excitation abnormality;
Green in normal operating conditions.
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
DIMENSIONS mm (inch)
SIDE VIEW
1
11
2
12
3
13
4
14
5
15
6
16
7
17
8
18
9
19
10
20
27.5 (1.08)
1
20–M3
11
2
SCREW
12
3
13
4
14
5
15
6
16
7
17
8
18
9
19
10
TERMINAL
20
COVER
4
3
2
1
Set the Count Reset SW to OFF to start counting.
SIDE DIP SW
•Gain: SW3
SW
SW3-1
SW3-2
SW3-3
SW3-4
(*) Factory setting
109 (4.29)
SW3
SW2
SW1
8
8
7
7
Gain
6
6
5
5
4
4
ON
3
3
2
2
1
1
ON
ON
GAIN
1 (*)
2
OFF
ON
Input 1
OFF
ON
Input 2
OFF
ON
Input 3
OFF
ON
Input 4
POSITIONING
GUIDE
P. 2 / 3
R3-PA4B
Count Reset
INPUT
EM-8383 Rev.2
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