High-speed Counter Unit Components
2-2
High-speed Counter Unit Components
2-2-1
Nomenclature
2-2-2
Indicator Functions
12
Indicators
Rotary switches
External connector
Indicator
Name
RUN
Operation
ERR
Error
CH1
A
Counter 1 input A
B
Counter 1 input B
1
Counter 1 external
control input IN1
2
Counter 1 external
control input IN2
CH2
A
Counter 2 input A
B
Counter 2 input B
1
Counter 2 external
control input IN1
2
Counter 2 external
control input IN2
01234567
External output
Rear setting
switch
Backplane
connector
Function
Lit when the High-speed Counter is in normal
counting operation. Not lit when the High-speed
Counter stops counting pulses.
Lit when an error, counter overflow, or counter
underflow results.
Lit when counter 1 input A is ON.
Lit when counter 1 input B is ON.
Lit when external control input IN1 is ON.
Lit when external control input IN2 is ON.
Lit when counter 2 input A is ON.
Lit when counter 2 input B is ON.
Lit when external control input IN1 is ON.
Lit when external control input IN2 is ON.
These indicators light when the corresponding
external output (0 through 7) is ON.
Section 2-2