Wiring Connections; Installing And Uninstalling The Cover; Connecting The Power Cable And Protective Earth Cable - Mitsubishi Electric GB-50ADA-A Installation Instructions Manual

6 Wiring connections

WARNING • Electric work must be performed by an authorized technician. Improper wiring work may result in electric
shock or fire.
• Turn off the power supply before performing wiring work.
CAUTION • To avoid damage to the terminal block, do not connect an AC power supply (100-240VAC) to the M-NET
transmission terminal block.

6-1. Installing and uninstalling the cover

Unscrew the two screws on the cover to remove it as shown in the figure below.
Reinstall the cover using the two screws that were unscrewed.
Serial number :
Ver. :
DB No. :
M-NET
CN5
I/O

6-2. Connecting the power cable and protective earth cable

To prevent overheating and fire, properly fix the cables in place so that the weight of the cables will not strain the
connectors.
Improperly connected cables may break, produce heat, and cause smoke or fire.
• Connect the power cable and the protective earth cable as shown in the figure below.
• Use an M3.5 ring terminal to the power cable and an M4 ring terminal to the protective earth cable before connecting them to
their corresponding terminals (power supply terminal block or protective earth terminal).
• Secure cables with cable clamps.
• Install an overcurrent breaker and a residual current circuit breaker for the power cable. Use a bipolar breaker (2P2E) with a
minimum contact distance of 3 mm (
Power supply
100-240VAC
50Hz/60Hz
B
B Residual current circuit breaker
A Overcurrent breaker*1
*1 When using a fuse, use it in combination with a main switch (Rated current: 3A).
Error
CN4
LINK/ACT LAN
Serial
1 / in.).
8
Power cable
A
Protective earth cable
Earth
Cable
clamps
- 16 -
TB1
L/L1 N/L2
Power cable
Protective
earth
terminal
Protective
earth cable