
http://www.m-system.co.jp/ R7C SPECIFICATIONS ES-7801 Rev.17 Page 36/39
PNP TRANSISTOR OUTPUT EXTENSION MODULE, 8 points
MODEL: R7C-EC8B
SPECIFICATIONS
Common: Positive common (PNP) per 8 points
Number of I/O: Output, 8 points
Maximum outputs applicable at once: No limit (at 24 V DC)
I/O status indicator: LED turns on with closed contact.
Isolation: Output to internal circuits
Rated load voltage: 24 V DC ±10 %
Rated output current: 0.25 A per point, 2.0 A per common
Residual voltage: ≤ 1.2 V
Leakage current: ≤ 0.1 mA
ON delay: ≤ 0.5 msec.
OFF delay: ≤ 1.5 msec.
TERMINAL ASSIGNMENTS
6
+24 V
7
Y1
8
Y3
1
0 V
2
Y0
3
Y2
9
Y5
4
Y4
10
Y7
5
Y6
NO. ID FUNCTION NO. ID FUNCTION
1 0 V 0 V 6 +24 V 24 V DC (common)
2 Y0 Output 0 7 Y1 Output 1
3 Y2 Output 2 8 Y3 Output 3
4 Y4 Output 4 9 Y5 Output 5
5 Y6 Output 6 10 Y7 Output 7
CIRCUIT DIAGRAM
Output Circuit
Control
Circuit
■ Output Circuit
6
1
0 V
10
Y7
9
Y5
8
Y3
7
Y1
5
Y6
4
Y4
3
Y2
+24 V
Y0
2
2
+24 V
6
Y0
10
Y7
1
0 V
Control
Circuit
■ Output Connection Example
6
1
2
Y0
0 V
+24 V
–
+
10
Y7
EXTENSION CONNECTOR
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