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Chapter 2
2-22
Standard Models and Specifications
●
Interface for RS-422
■
CN1: Pin Arrangement
Note Do not wire the empty pins.
●
CN1 Connectors (36P)
Servo Driver receptacle
10236-52A2JL (Sumitomo 3M)
Cable solder plug
10136-3000VE (Sumitomo 3M)
Cable case
10336-52A0-008 (Sumitomo 3M)
Pin
No.
Signal name
Function
Contents
20
RXD+
Reception data
Interface for RS-422A transmission and reception.
21
RXD–
22
TXD+
Transmission data
23
TXD–
24
RT
Terminating resistance terminal
Connect to pin 21 (RXD–) on the end Unit.
19
GND
RS-422A ground
Ground for RS-422A.
2
4
6
8
−
PULS
/
−
CW/
−
A
10
OGND
12
−
SIGN
/
−
CCW
/
−
B
14
−
ECRST
16
18
1
3
5
7
+PULS
/+CW/+A
9
11
+SIGN
/+CCW/+B
13
15
+ECRST
17
28
RXD+
29
TXD+
33
35
31
ALM
ALMCOM
RUN
−
feed pulse,
−
reverse pulse,
−
phase A
Output ground
common
−
direction
signal,
−
forward pulse,
−
phase B
Deviation
counter reset
+ feed pulse,
+ reverse pulse,
+ phase A
+ direction
signal,
+ forward pulse,
+ phase B
Reception
data +
Transmission
data +
Alarm output
Alarm output
ground
RUN command
input
Z
Encoder
phase-Z
output
20
22
24
26
INP
+ deviation
counter reset
Positioning
completed
output
+24VIN
Control DC
+24-V input
36
RESET
Alarm reset
input
BKIR
Brake interlock
output
RT
Terminating
resistance
terminal
27
19
21
23
25
32
34
30
GND
Ground for
RS-422A
RXD
−
TXD
−
Transmission
data
−
Reception
data
−
ZCOM
Phase-Z
output ground
Summary of Contents for SMARTSTEP A Series
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