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12. OPTIONS AND AUXILIARY EQUIPMENT
(b) Surge suppressor
The recommended surge suppressor for installation to an AC relay, AC valve, AC electromagnetic
brake or the like near the servo amplifier is shown below. Use this product or equivalent.
MC
Surge suppressor Relay
This distance should be short
(within 20cm(0.79 in.)).
Surge suppressor
Surge suppressor
(Ex.) 972A.2003 50411
(Matsuo Electric Co.,Ltd. 200VAC r ating)
Outline drawing [Unit: mm] ([Unit: in.])
Rated
voltage
AC[V]
C [ F] R [ ] Test voltage AC[V]
200 0.5 50
(1W) Across
T-C 1000(1 to 5s)
Blue vinyl cord Red vinyl cord
Vinyl sheath
200(7.87)
or more 200(7.87)
or more
6(0.24)
31(1.22)
10(0.39)or less 10(0.39)or less
15 1(0.59 0.04)
48 1.5
(1.89 0.06)
10 3
(0.39
0.15)
10 3
(0.39
0.12)
4(0.16)
18 1.5
(0.71 0.06)
Note that a diode should be installed to a DC relay, DC v alve or
the like.
Maximum voltage: Not less than 4 times the drive voltage of
the relay or the like
Maximum current: Not less than twice the drive current of
the relay or the like Diode
RA
(c) Cable clamp fitting (AERSBAN -SET)
Generally, the earth of the shielded cable may only be connected to the connector's SD terminal.
However, the effect can be increased by directly connecting the cable to an earth plate as shown
below.
Install the earth plate near the servo amplifier for the encoder cable. Peel part of the cable sheath
to expose the external conducto r, and p re ss tha t par t ag ain st t he e ar th p late wi th th e c ab le clam p.
If the cable is thin, clamp several cables in a b u nch.
The clamp comes as a set with the earth plate.
Strip the cable sheath of
t
he clamped area. cutter
cable
Cable clamp
(A,B)
Cable
Earth plate
External conductor
Clamp section diagram
40(1.57)