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.
MS
Surge suppressor
Surge suppressor
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voltage | C [ F] | R [ ] | Test voltage AC[V] | |
AC[V] |
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200 | 0.5 | 50 | Across | |
(1W) | ||||
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Relay
Surge suppressor
This distance should be short (within 20cm(0.79 in.)).
(Ex.) 972A.2003 50411
(Matsuo Electric Co.,Ltd. 200VAC rating)
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| Outline drawing [Unit: mm] ([Unit: in.]) |
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| Vinyl sheath |
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| 18 | 1.5 | |||
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| Blue vinyl cord |
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| Red vinyl cord |
| (0.71 | 0.06) | ||
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| 6(0.24) |
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| 10(0.39)or less | 10(0.39)or less |
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10 | 3 |
| 15 | 1(0.59 | 0.04) | 10 | 3 | 31(1.22) | |||
(0.39 |
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0.12) | 200(7.87) |
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| 200(7.87) | 0.15) |
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| or more | (1.89 | 0.06) | or more |
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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
RA
Diode
(c) Cable clamp fitting (AERSBAN
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 |
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the clamped area. |
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Cable clamp |
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| Earth plate | |
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(A,B) |
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40(1.57) |
External conductor
Clamp section diagram
12 - 30