Yaskawa MEMOCON GL120 - Manual (Page 76)

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System Components: Functions and Specifications
4.2.5 Using Power Supply Modules cont.
— 4-20 —
b) When the input voltage selector switch is set to the bottom:
Supply AC power:
Single-phase
170 to 264 VAC
47 to 63 Hz
Filter ground terminal
Protective ground terminal
Field wiring terminal 1
Field wiring terminal 2
2) Use power supply wires of 1.5 mm 2 (AWG16) to 2.5 mm 2 (AWG13) to connect to the field
wiring terminals and make sure they are twisted. M4 Phillips screws are used on the ter-
minals.
Insula-
tion
trans-
former
AC power supply
Filter ground terminal
Protective ground terminal
Field wiring terminal 1
Field wiring terminal 2
Power cables must be twisted.
4. Field Wiring Terminals for DC Power Supply Modules (DC+, DC−)
Caution Connect the correct power supply for the required ratings.
Connecting unsuitable power supply may result in fires.
Caution Wire power supply wires to the field wiring terminals with the correct polarity.
Wiring with incorrect polarity may result in damage to the DC Power Supply Module.
1) Wire a DC power supply to the field wiring terminals as shown in the following diagram.
FG: Protective ground terminal
DCG: Filter ground terminal
DC−: Field wiring terminal 0 V
DC+: Field wiring terminal +24 V
Supply DC power:
20.4 to 28.8 VDC
Ripple: 1.0 V
p-p
4