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14. OPTIONS AND AUXILIARY EQUIPMENT
14.13 Relays (recommended)
The following relays should be used with the interfaces.
Interface Selection example
Relay used for digital input command signals (interface DI-1) To prevent defective contacts , use a relay for small signal
(twin contacts).
(Ex.) Omron : type G2A , MY
Relay used for digital output signals (interface DO-1) Small relay with 12VDC or 24VDC of rated current 40mA or
less
(Ex.) Omron : type MY
14.14 Surge absorbers (recommended)
A surge absorber is required for the electromagnetic brake. Use the following surge absorber or equivalent.
When using the surge absorber, perform insulation beforehand to prevent short-circuit.
Maximum rating
Permissible circuit
voltage
Surge
immunity
Energy
immunity
Rated
power
Maximum
limit voltage
Static
capacity
(reference
value)
Varistor voltage
rating (range) V1mA
AC [Vma] DC [V] [A] [J] [W] [A] [V] [pF] [V]
140 180
(Note)
500/time
5 0.4 25 360 300
220
(198 to 242)
Note. 1 time 8 20 s
13.5
1
6
.
5
3
.
0
o
r
l
e
s
s
3
0
.
0
o
r
m
o
r
e
4.7 1.0
0.8
[Unit: mm]
(Example) ERZV10D221 (Matsushita Electric Industry)
TNR-10V221K (Nippon chemi-con)
Outline drawing [mm] (ERZ-C10DK221)