MODEL: R7D
NPN TRANSISTOR OUTPUT EXTENSION MODULE, 16 points
CIRCUIT DIAGRAM
Output Circuit
MODEL: R7D-EC16A
10
2
+24V
Y0
Y2
Y4
Y6
Y8
YA
YC
YE
Y1
Y3
Y5
Y7
Y9
YB
YD
YF
0V
SPECIFICATIONS
Common: Negative common (NPN) per 16 points
3
4
Number of I/O: Output, 16 points
5
Maximum outputs applicable at once: No limit (at 24 V DC)
Output status indicator: LED turns ON with contact ON
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
6
7
8
Control
Circuit
9
Leakage current: ≤ 0.1 mA
11
12
13
14
15
16
17
18
1
ON delay: ≤ 0.5 msec.
OFF delay: ≤ 1.5 msec.
(When driving an inductive load, connect a diode in parallel
with the load.)
TERMINAL ASSIGNMENTS
10
11
Y1
12
Y3
13
Y5
14
Y7
15
Y9
16
YB
17
YD
18
YF
+24V
1
2
3
4
5
6
7
8
9
0V
Y0
Y2
Y4
Y6
Y8
YA
YC
YE
NO. ID
FUNCTION
NO. ID
FUNCTION
■ Output Circuit
1
2
3
4
5
6
7
8
9
0 V 0 V (common)
Y0 Output 0
Y2 Output 2
Y4 Output 4
Y6 Output 6
Y8 Output 8
YA Output 10
YC Output 12
YE Output 14
10 +24 V 24 V DC
11
12
13
14
15
16
17
18
Y1 Output 1
Y3 Output 3
Y5 Output 5
Y7 Output 7
Y9 Output 9
YB Output 11
YD Output 13
YF Output 15
10
+24V
Y0
2
Control
Circuit
18
YF
1
0V
■ Output Connection Example
10
1
+24V
0V
–
+
2
Y0
18
YF
R7D SPECIFICATIONS
ES-7802 Rev.21 Page 35/38
http://www.m-system.co.jp/