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Chapter 2
2-70
Standard Models and Specifications
The following screwdriver can be used to release wires.
Recommended Screwdriver
■
Servo Relay Unit Wiring Example
I/O power is supplied from terminals 20-0, 21-1, and 60-40 when a Servo Relay Unit is used. As
shown in the following example, wiring can be performed by simply connecting the signals.
Upper Terminal Block Pin Arrangement
Model
Manufacturer
SZF1
Phoenix Contact
Side view
Front view
0.6 mm
3.5 mm
60
Upper terminal block
Lower terminal block
0
79
19
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
5 V
24 V
5 V
Latch signal input 1
Latch signal input 2
CNT1 A phase LD
+ input
CNT1 B phase LD
+ input
Ser
v
o Dr
iv
er #1
Z phase LD+ output
---
Ser
v
o Dr
iv
er #1 ALM
---
IN4
IN5
IN6
IN7
---
Ser
v
o Dr
iv
er #1 R
UN
Ser
v
o Dr
iv
er #1
RESET
Ser
v
o Dr
iv
er #1
ECRST
---
TXD+
RXD+
60
61
62
63
Latch signal 1
common (0
V)
Latch signal 2
common (0
V)
CNT1 A phase
LD-/-0 V
CNT1 B phase
LD-/0 V
Ser
v
o Dr
iv
er #1
Z phase LD-/0
V
---
Common (0
V)
Ser
v
o Dr
iv
er #1 INP
Common (0
V)
Common (0
V)
Common (0
V)
Common (0
V)
---
TXD-
RXD-
OUT0
OUT1
OUT2
OUT3
0 V
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
5 V
Summary of Contents for SMARTSTEP A Series
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