Product specifications

Chapter 2 I/O ports
HA-680_V04 - 28 -
Connection example 2-1: FHA-C mini 24VAC type
The figure below shows a connection example in the position control for [line driver] signals. The
command format is “2 pulse method,” and the setting values of “Parameter 11: Input function
assignment” and “Parameter 12: Output function assignment” are “0.” Note that the connection example
varies depending on the actuator.
FWD pulse
External power
H
A
-680-*-***
TB2
CN1
CN2
CP+
CP-
MP+
MP-
TB1
A
C Servo Actuato
r
FHA-**Cmini (24V type)
M
U
V
W
A
lways ground
+5V 11
0V 88
SD 55
SD 7
Black
Yellow
Blue
E
Red
Use shield pair cable
Clamp the end of shield surely to
the cable-clamp of the connector.
Incremental encoder
235
14
15
235
16
17
2.2k
18
2.2k
+24V
FWD+
FWD-
REV+
REV-
A
lways keep at least 3.5V.
Vin
Vin
IN
-
COM
S-ON
FWD-IH
REV-IH
ALM-CLR
DC24V
Servo-ON
3.3k
7
3.3k
8
3.3k
9
12
3.3k
10
0V
3.3k
11
DEV-CLR
Deviation clea
r
5
6
READY
OUT-COM
4
Z
1
ALARM
2
IN-POS
SPD-LMT-M
21
22
23
24
Phase-A+
25
26
26LS31
13
A
C power
supply
Transformer
NFB
CP
AC/DC
power
supply
L/F
Line filte
r
VM
R
GND
DC24V
REV pulse
A
m26LS31 (EIA422A) or
equivalent
FWD inhibit
REV inhibit
Alarm clea
r
Red
Black
White
Green/yellow
In-position
A
larm
Speed limiting
Ready
Phase-Z
Output common
Shell
Shield
Shell
Shield
Phase-A-
Phase-B+
Phase-B-
Phase-Z+
Phase-Z-
Encoder Monitor ground