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14. OPTIONS AND AUXILIARY EQUIPMENT
14.2.4 Relays
The following relays should be used with the interfaces:
Relay used especially for switching on-off analog input
command and input command (interface DI-1) signals
Relay used for digital output signals (interface DO-1)
14.2.5 Surge absorbers
A surge absorber is required for the electromagnetic brake. Use the following surge absorber or equivalent.
Insulate the wiring as shown in the diagram.
Permissible circuit
voltage
AC[Vma]
DC[V]
140
Note: 1 time
8
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Interface
Maximum rating
Surge
Energy
immunity
immunity
[A]
[J]
(Note)
180
5
500/time
20 s
(Example) ERZV10D221 (Matsushita Electric Industry)
TNR-10V221K (Nippon chemi-con)
Outline drawing [mm] ( [in] ) (ERZ-C10DK221)
13.5 (0.53)
0.8 (0.03)
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Selection Example
To prevent defective contacts, use a relay for small
signal (twin contacts).
(Ex.) OMRON : type G2A , MY
Small relay with 12VDC or 24VDC of 40mA or less
(Ex.) OMRON : type MY
Static
Maximum
capacity
Rated
limit voltage
(reference
power
value)
[W]
[A]
[V]
0.4
25
360
4.7 1.0 (0.19 0.04)
14 - 24
Varistor voltage
rating (range) V1mA
[pF]
[V]
220
300
(198 to 242)
Vinyl tube
Crimping terminal
for M4 screw
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