Inovance MD290T45G/55P - Page 77

3. Electrical Installation
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3
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Wiring of Relay
To smooth peak voltage that results from cutting off power to inductive load (relay,
contactor and motor), use a voltage dependent resistor (VDR) at the relay contact and
add absorbing circuit to the inductive load, such as VDR, RC absorbing circuit or diode.
Figure 3-27 Wiring of relay
220 VAC
24 VDC
T/C
T/A
T/B
T/C
T/A
T/B
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Please use a ferrule-type terminal with insulated sleeves. Prepare wire ends with
insulated sleeves before connecting to the drive. See Figure
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8
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below.
Figure 3-28 Ferrule dimensions
6 mm
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Terminal Block Single Wire (AWG/mm
2
) Twisted Wire (AWG/mm
2
) Tightening Torque
(N·m)
Control circuit AWG 24 to 18 (0.2 to 0.75 mm
2
) 0.8 to 1.0