Comparison With C200H-Ct001-V1 - Omron C200H-CT021 Operation Manual

The C200H-CT021 High-speed Counter Unit has two-axis pulse input functions. These functions are not iden-
tical with the pulse input functions of the C200H-CT001-V1 High-speed Counter Unit. Refer to the following
table.
Function
Pulse input Voltage input: 50,000 cps
performance Line driver input: 75,000 cps
Pulse input With line driver input and without 5-V input
specification
Input setting DM area
Reset mode Number of modes set with DM: 11
Output specification NPN or PNP (selectable)
8 points/common
8 points/two axes
Operating mode Newly added: Simple counter mode
Canceled: Latch mode
Data transfer Impossible to change the transfer area or num-
function ber of transfer data blocks after the Unit is
turned ON.
Transfer area:
DM 0000 to DM 1999 for the C200H and
DM 0000 to DM 6655 for the C200HS, C200HX,
C200HG, and C200HE
IORD/IOWR Available
instructions
External forced Set with IR bits.
output Not controlled with ladder programs.
Available only when external outputs are not
inhibited. Enabled with a DM command.
Sign indication +: 0, –: F
Number of 16 sets for two counters
comparative upper
and lower limits
Number of preset 20 sets for two counters
values
Count input signal Up and down pulses input
Input A: Down
Input B: Up
Pulse and direction input
Input A: Direction
Input B: Pulse
Set value BCD/Hexadecimal data
range/Present
counter value
Error clear The error clear command can be issued with the
data transfer or IOWR instruction.
Error Flag Kept on hold while the Unit has the error.
Cleared with the error clear command.
Error code Read repeatedly.
Unit number 0 to F
Appendix A

Comparison with C200H-CT001-V1

C200H-CT021 C200H-CT001-V1
50,000 cps
With 5-V input and without line driver input
DIP switch
Number of modes set with DIP switch: 17
NPN output only
4 points/common
8 axes/axis
Unavailable: Simple counter mode
Available: Latch mode
Impossible to change the transfer area or num-
ber of transfer data blocks after the Unit is
turned ON.
Transfer area:
DM 0000 to DM 1999 for the C200H, C200HS,
C200HX, C200HG, and C200HE
Unavailable
Set with IR bits.
Enabled with IR command. (Enable forced out-
put)
+: 0, –: 1
16 sets/counter
20 sets/counter
Up and down pulses input
Input A: Up
Input B: Down
Pulse and direction input
Input A: Pulse
Input B: Direction
BCD data only
With the error read operation.
Cleared when the error is read.
Read only once.
0 to 9
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