Toshiba BMS-SM1280ETLE - Page 25

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8-3. Digital Input / Output Relay Interface (BMS-IFDD03E)
The following settings are necessary to use Digital Input / Output Relay Interfaces.
Address setting SW1 Address set switch
When two or more Digital Input / Output Relay Interfaces are used, set a different address for each unit
to avoid address duplication.
RS-485 terminator resistor
setting
Set SW7 as “120 ohm” on a Digital Input / Output Relay Interface with address SW1=1, when the Digital
Input / Output Relay Interface is used in a system without Energy Monitoring Relay Interface. Set SW7
as “Open” on the other interfaces.
SW1 Address set switch
1-4 Address
0, 5-F Not used
SW2 Operating mode set switch (0 usually)
SW3 Test switch (all OFF usually)
SW4 Test switch
SW6 Reset switch
SW7
RS-485 terminator resistor select switch
120 ohm Open
LED1 Power indicator
LED2 RS-485 communication status indicator
LED3 Not used
LED4 Test indicator
LED5 Test indicator
LED6 -LED9 Digital output indicator
ON ON
L
N
BASG RS-485
DI1
DI6DI2
DI4DI3
DI7
DI8DI5
1234
LED1
LED2
LED3
LED4
LED5
SW1SW2SW3
SW4SW6
SW7
12V
GND
DO1
DO2
DO3
DO4
LED6
LED7
LED8
LED9
+ - + - + - + - + - + - + - + -