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2-5-2 Group-2 High-density I/O Units
Group-2 High-density I/O Units come in two varieties; C-shape and D-shape.
The shape of the two varieties is the same, but C-shape Units have only one con-
nector, while the D-shape Units have two. C-shape Units have 32 I/O points and
D-shape Units have 64 I/O points.
Unit Specifications Shape Model
DC Input Unit 12 VDC; 64 pts D C200H-ID111
24 VDC; 32 pts
C C200H-ID216
24 VDC; 64 pts D C200H-ID217
Transistor Output Unit 4.5 VDC,16 mA to
26.4 VDC,100 mA; 32 pts
C C200H-OD218
4.5 VDC,16 mA to
26.4 VDC,100 mA; 64 pts
D C200H-OD219
Note Refer to Optional Products, Appendix A for a list of external connectors.
Group-2 High-density I/O Units are allocated I/O words in the IR Area (IR 030 to
IR 049) by setting the I/O number switch on the front of each Unit. C-shape Units
are allocated 2 words and D-shape Units are allocated 4 words beginning with
m, where m = IR 030 + 2 × I/O number.
For C-shape Units the 16 I/O bits in m are allocated to the A side of the connector,
and the I/O bits in m+1 are allocated to the B side of the connector. For D-shape
Units the I/O bits in m are allocated to the A side of connector 1, the I/O bits in
m+1 are allocated to the B side of connector 1, the I/O bits in m+2 are allocated to
the A side of connector 2, the I/O bits in m+3 are allocated to the B side of con-
nector 2. Refer to the C200H Operation Manual (CPU21-E/23-E/31-E) for more
details on I/O word allocation.
Always turn the PC power off before changing a Unit’s I/O number. The new I/O
number will not be recognized unless the PC has been turned off. Do not set
more than one Unit to the same I/O number or set I/O numbers so that the same
I/O word is allocated to more than one Unit, e.g., if you set a 64-point Unit to I/O
number 0, you cannot use I/O number 1 for any Unit.
Refer to Appendix B Specifications for the specifications and dimensions of the
Units.
C-shape Units (32-point Units)
I/O Unit locking notch
Nameplate
I/O indicators:
Indicate ON/OFF status of points
40-pin connector
I/O number setting switch
I/O Units Section 2-5
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