Appendix B
Specifications
177
6. When wiring output circuits, be sure to use the correct polarity for the external power supplies. Wiring
with incorrect polarity may result in erroneous operation of the load.
High-density I/O Unit Limitations
Limitations on the switching capacity of C200H-OD215/MD115/MD215 Transistor Output Units and the usable
number of I/O points in the C200H-ID215 and C200H-MD215 are shown below.
Switching Capacity
The switching capacity of C200H-OD215/MD115/MD215 Transistor Output Units depends on the power supply
voltage, as shown below.
Power Supply Voltage (V)
Max. Switching Capacity (mA/pt)
0
4.5
10
20.4
26.4
50
100
16
0
TTL I/O Unit C200H-MD501
(Used as I/O Unit with 16 Inputs and 16 Outputs)
Max. Switching Capacity
5 VDC 35 mA (280 mA/common, 560 mA/Unit;
output resistance 4.7 k
W
)
Min. Switching Capacity
None
Leakage Current
0.1 mA max.
Residual Voltage
0.4 V max.
ON Response Time
0.2 ms max.
OFF Response Time
0.3 ms max.
No. of Circuits
2 (8 points/common)
Fuses
2 (1 fuse/common; fuses are not user-replacable.)
Power for External Supply
20 mA 5 VDC min. (1.2 mA
×
no. of outputs ON)
Rated Input Voltage
5 VDC
Operating Input Voltage
4.5 to 5.5 VDC
Input Impedance
1.1 k
W
Input Current
3.5 mA (at 5 VDC)
ON Voltage
3.0 VDC min.
OFF Voltage
1.0 VDC max.
ON Response Time
2.5 ms/15 ms max. (switchable)
OFF Response Time
2.5 ms/15 ms max. (switchable)
No. of Circuits
2 (8 points/common)
High-speed Inputs
8 points (connector 2 terminals 8 to 15, when set)
Pulse width: 1 ms/4 ms min. (switchable)
Output Specifications
(Connector 1)
Input Specifications
(Connector 2)
