Mitsubishi Electric MELSERVO MR-J3 A Series, Instruction Manual

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12 - 71
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.
Surge suppressor
MC
Surge suppressor
Relay
Surge suppressor
This distance should be short
(within 20cm).
(Ex.) 972A.2003 50411
(Matsuo Electric Co.,Ltd. 200VAC rating)
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
or more
200
or more
6
10 or less 10 or less
48 1.5
15 1
10 3 10 3
4
18 1.5
31.5 1
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 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 conductor, and press that 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.
Strip the cable sheath of
the clamped area.
cutter
cable
Cable clamp
(A,B)
Cable
Earth plate
External conductor
Clamp section diagram
40