Connection Of Power Cables/Earth Wires/Communication Cables - Toshiba BMS-IFWH5E Installation Manual

Energy Monitoring Relay Interface
5
Connection of Power cables/Earth wires/
Communication cables
• The RS-485 communication cable has polarity. Connect A to A, and B to B. If connected with incorrect polarity, the
unit will not work.
Power cables/Earth wires/Communication cables
Connect power cables, earth wires, and communication cables to the specified terminals on the terminal block.
Touch Screen Controller or other
Secure each cable with a
cable clamp.
Connect the
earth wire to the
earth terminal on
the chassis.
Secure each
cable with a
cable clamp.
REQUIREMENT
Disconnect the appliance from the main power supply.
This appliance must be connected to the main power supply by a circuit breaker or switch with a contact separation
of at least 3mm.
Fasten the screws to the terminal with torque of 0.5Nm.
5-EN
To connect 2 cables, change the
preset cable clamp to the
provided one and fix the cables
with the cable clamp as shown in
the figure.
central controller
Power meter
Power supply
220-240VAC
(50/60Hz)
Length of stripped
power cable
35 10
35 10
Insert the wire by pushing
the lever with a
screwdriver.
Check that the wire is
inserted securely.
CAUTION
Length of stripped
communication cable
35 6
When inserting two RS-485
communication cables into a single
terminal for connection to another
interface, crimp them using the
attached pin terminal.
– 5 –
Installation Manual
LED4 LED2
SW7
LED5 LED3 LED1
SW3 SW2 SW1
1 2 3 4
SW6 SW4
Length of stripped
power meter wire
35 6