MODEL: R7D
DISCRETE INPUT EXTENSION MODULE, 8 points
CIRCUIT DIAGRAM
Input Circuit
MODEL: R7D-EA8
1
2
3
4
5
7
8
9
10
6
COM1
X0
SPECIFICATIONS
Common: Positive or negative common (NPN/PNP) per
X2
X4
8 points
Number of I/O: Input, 8 points
X6
Control
Circuit
Maximum inputs applicable at once: No limit (at 24 V DC)
Input status indicator: LED turns ON with contact ON
Isolation: Input to internal circuits
X1
X3
Rated input voltage: 24 V DC ±10 %; ripple 5 %p-p max.
ON voltage/current: ≥ 15 V DC (input-COM1) / ≥ 3.5 mA
OFF voltage/current: ≤ 5 V DC (input-COM1) / ≤ 1 mA
Input current: ≤ 5.5 mA per point at 24 V DC
Input resistance: Approx. 4.4 kΩ
X5
X7
COM2
ON delay: ≤ 2.0 msec.
■ Input Circuit
OFF delay: ≤ 2.0 msec.
1
2
COM1
X0
TERMINAL ASSIGNMENTS
6
7
8
9
10
X7
COM2
X1
X3
X5
1
2
3
4
5
COM1
X0
X2
X4
X6
Control
Circuit
NO.
ID
FUNCTION
NO.
6
ID
FUNCTION
1
2
3
4
5
COM1 Common 1
COM2 Common 2
10
X7
X0
X2
X4
X6
Input 0
Input 2
Input 4
Input 6
7
X1
X3
X5
Input 1
Input 3
Input 5
Input 7
8
9
10 X7
6
COM2
■ Input Connection Examples
PNP Connection
NPN Connection
COM2
COM1
X0
6
1
2
COM2
COM1
X0
6
1
2
+
–
– +
X7 10
X7 10
R7D SPECIFICATIONS
ES-7802 Rev.21 Page 32/38
http://www.m-system.co.jp/