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11. OPTIONS AND AUXILIARY EQUIPMENT
(b) Surge suppressor
The recommended surge suppressor for install ation to an AC relay, AC valve or the like ne ar the servo
amplifier is shown below. Use this produc t or equivalent.
MC
Surge suppressor
Relay
Surge suppresso
r
This distance should be short
(within 20cm).
(Ex.) 972A.2003 50411
(Matsuo Electric Co.,Ltd. 200VAC rating)
Outline drawing [Unit: mm] 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 or more 200 or more
6
31
10 or less 10 or less
15 1
48 1.5
10 310 3
4
18 1.5
Note that a diode should be installed to a DC relay, DC valve 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 cab le may only be connected to the connector's SD terminal.
However, the effect can be increased by directl y connecting the cable to an earth plate as shown below.
Install the earth plate near the servo am plifier for the encoder cable. Peel part of the cable sheat h to
expose the external conductor, and press th at part against the earth plate with the cable clamp. If the
cable is thin, clamp several cables in a bunch.
The clamp comes as a set with the earth plate.
[Unit: mm]
Strip the cable sheath of
the clamped area. cutter
cable
Cable clamp
(A,B)
Cable
Earth plate
External conductor
Clamp section diagram
40