Appendix BSpecifications
198
The following table shows the words allocated according to the I/O number. The 32-point Units are the
C200H-B7A12, C200H-B7A02, and C200H-B7A21. The 64-point Unit is the C200H-B7A22.
I/O No.
Words
32-point Units 64-point Unit
0 IR 030 and IR 031 IR 030 to IR 033
1 IR 032 and IR 033 IR 032 to IR 035
2 IR 034 and IR 035 IR 034 to IR 037
3 IR 036 and IR 037 IR 036 to IR 039
4 IR 038 and IR 039 IR 038 to IR 041
5 IR 040 and IR 041 IR 040 to IR 043
6 IR 042 and IR 043 IR 042 to IR 045
7 IR 044 and IR 045 IR 044 to IR 047
8 IR 046 and IR 047 IR 046 to IR 049
9 IR 048 and IR 049 Do not use.
Note 1. Be sure that the same words are not allocated to more than one Unit. For example, if you set a 64-point
Unit to I/O number 0, you cannot use I/O number 1 for any Unit.
2. The above words are also allocated to Group-2 High-density I/O Units. Be sure that the same words are
not allocated to more than one Unit.
DIP Switch Settings
Set the DIP switch as described before for the various models of B7A Interface Units.
C200H-B7A22/12
Pin Function OFF ON
1 Transmission delay Standard (19.2 ms) High-speed (3 ms)
2 Transmission error process Hold status Reset Inputs
3 Input mode 16 inputs 15 inputs + error input
4 ERROR 1 indicator enable Disabled Enabled
5 ERROR 2 indicator enable Disabled Enabled
6 Not used. NA NA
C200H-B7A21
Pin Function OFF ON
1 Transmission delay Standard (19.2 ms) High-speed (3 ms)
2 Transmission error process Hold status Reset Inputs
3 Input mode 16 inputs 15 inputs + error input
4 ERROR indicator enable Disabled Enabled
5 Not used. NA NA
6 Not used. NA NA
C200H-B7A02
Pin Function OFF ON
1 Transmission delay Standard (19.2 ms) High-speed (3 ms)
2 Not used. NA NA
3 Not used. NA NA
4 Not used. NA NA
5 Not used. NA NA
6 Not used. NA NA
Transmission Delay
Pin 1 is used to set the transmission delay. The same delay is used for all words allocated to the Unit.
Factory setting
(pins 4 and 5 ON)
Factory setting
(pin 5 ON)
Factory setting
(all pins OFF)
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