Toshiba BMS-SM1280HTLE Service Manual page 19

7-2. Digital Input / Output Relay Interface (BMS-IFDD03E)
Connect power cables, earth wires, and signal wires to the specified terminals on the terminal block.
Touch Screen Controller or
other central controller
Digital input contacts
Secure each cable with a
cable clamp.
Digital output load
Secure each
cable with a cable
clamp.
Connect the earth
wire to the earth
terminal on the
chassis.
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.
Power supply
220-240VAC
(50 / 60Hz)
Length of stripped
power cable
35 10
55 10
Insert the wire by pushing
the lever with a
screwdriver. Check that the
wire is inserted securely.
SW7
SW3
1 2 3 4
12V
GND
DO1
DO2
DO3
DO4
Length of stripped Length of stripped digital
communication cable Input / Output connector wire
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.
19
LED4 LED2
LED5 LED3 LED1
SW2 SW1
SW6 SW4
LED9 LED7
LED8 LED6
35 6