3. External Connection
32
CNT24-4(PCI)H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
GND*1
GND*1
GND*1
GND*1
GND*1
GND*1
GND*1
N.C.
T0A
T0B
T0Z
T0U
GND*1
T1A
T1B
T1Z
T1U
N.C.
N.C.
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Vcc*1
Vcc*1
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
T2A
T2B
T2Z
T2U
GND*1
T3A
T3B
T3Z
T3U
N.C.
CH0
Ground
Not Connected
Phase-A / UP
Phase-B / DOWN
Phase-Z / CLR
General-purpose Input
Ground
Phase-A / UP
Phase-B / DOWN
Phase-Z / CLR
General-purpose Input
Not Connected
Not Connected
CH1
+5V*2
+5V*2
Not Connected
Phase-A / UP
Phase-B / DOWN
Phase-Z / CLR
General-purpose Input
Ground
Phase-A / UP
Phase-B / DOWN
Phase-Z / CLR
General-purpose Input
Not Connected
CH2
CH3
*1: The VCC and GND signals are all common.
The maximum current flowing through these two Vcc pins together is 500mA.
*2: O5V power supplied from the +5V pin in the PC to the external device.
Use this pin as +5V power supply to an external device (such as an encoder) for simple checking.
Figure 3.7. Pin Assignments of an optional cable 37-Pin D-SUB
