(3) Interface with external devices
The following table lists the high-speed counter module interfaces to connect with external devices.
I/O
clas-
Internal circuit
sifica-
tion
240
270
820
240
270
820
Input
240
270
820
390
2.32k
470
390
2.32k
470
Pin
number
Signal name
CH1
CH2
Phase A pulse
B19
B13
differential input (+)
Phase A pulse
A20
A14
input 5V (+)
Phase A pulse
B20
B14
4.1k
input 24V (+)
Phase A pulse
A19
A13
input common (-)
Phase B pulse
B17
B11
differential input (+)
Phase B pulse
A18
A12
input 5V (+)
Phase B pulse
B18
B12
4.1k
input 24V (+)
Phase B pulse
A17
A11
input common (-)
Phase Z differential
B15
B09
input (+)
Phase Z input 5V
A16
A10
(+)
Phase Z input 24V
B16
B10
4.1k
(+)
Phase Z input
A15
A09
common (-)
B07
B04
Function input 5V
B08
B05
Function input 24V
B06,
B06,
Control input
A06
A06
common
Latch counter input
A07
A04
5V
Latch counter input
A08
A05
24V
CHAPTER 6 INSTALLATION AND WIRING
Input
Operating
voltage
current
Operation
(guaranteed
(guaranteed
value)
value)
AM26C31 or
⎯
⎯
equivalent
When ON
4.5 to 5.5V
4 to 8mA
When OFF
2V or lower
1.0mA or lower
When ON
21.6 to 26.4V
4 to 6mA
When OFF
5V or lower
1.0mA or lower
⎯
⎯
⎯
AM26C31 or
⎯
⎯
equivalent
When ON
4.5 to 5.5V
4 to 8mA
When OFF
2V or lower
1.0mA or lower
When ON
21.6 to 26.4V
4 to 6mA
When OFF
5V or lower
1.0mA or lower
⎯
⎯
⎯
When ON
AM26C31 or
⎯
equivalent
When OFF
When ON
4.5 to 5.5V
4 to 8mA
When OFF
2V or lower
1.0mA or lower
When ON
21.6 to 26.4V
4 to 6mA
When OFF
5V or lower
1.0mA or lower
⎯
⎯
⎯
When ON
4.5 to 5.5V
7 to 12mA
When OFF
2V or lower
1.0mA or lower
When ON
21.6 to 26.4V
7 to 12mA
When OFF
5V or lower
1.0mA or lower
⎯
⎯
⎯
When ON
4.5 to 5.5V
7 to 12mA
When OFF
2V or lower
1.0mA or lower
When ON
21.6 to 26.4V
7 to 12mA
When OFF
5V or lower
1.0mA or lower
Response
time
⎯
⎯
⎯
⎯
⎯
6
⎯
⎯
⎯
⎯
⎯
1.25µs or less
2.5µs or less
1.25µs or less
2.5µs or less
⎯
20µs or less
100µs or less
20µs or less
100µs or less
⎯
20µs or less
100µs or less
20µs or less
100µs or less
73