Appendix BSpecifications
121
TTL Input Units
Item C500-ID501CN
Input Voltage 5 VDC 10%
Input Impedance 1 k
Input Current 3.5 mA typical (at 24 VDC)
ON Voltage 3 VDC min.
OFF Voltage 1 VDC max.
ON Delay 1.5 ms max.
OFF Delay 1.5 ms max.
No. of Inputs 32 (8 inputs/common, 4 circuits)
Internal Current Consumption 200 mA, 5 VDC max.
Weight 450 grams max.
Circuit Configuration
Inter-
nal
Circuit
COM
COM
IN
00
to
IN 07
IN 15
1 k
3.3 k
1 k
3.3 k
IN
08
to
COM
COM
IN 00
to
IN 07
IN 15
IN 08
to
I
IIII
Terminal Connections
+
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
COM
NC
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
COM
A
B
+
+
+
5 VDC
5 VDC
NC
NC
NC
NC
NC
1 k
3.3
k
IN
COM
Use a sinking TTL buffer.
(TTL/LS-TTL/CMOS
buf
fer)
Dimensions E-shape, with no 4-terminal block