Toshiba Carrier BMS-SM1280HTLUL Service Manual page 24

8-2. Energy Monitoring Relay Interface (BMS-IFWH5UL)
The following settings are necessary to use Energy Monitoring Relay Interfaces.
Address setting
RS-485 terminator resistor
setting
SW1 Address set switch
When two or more Energy Monitoring Relay Interfaces are used, set a different address for each unit
to avoid address duplication.
Set SW7 as "120 ohm" on a Energy Monitoring Relay Interface with address SW1=1, and "Open" on
the other interfaces.
LED4 LED2
SW7
LED5 LED3 LED1
SW3 SW2 SW1
1 2 3 4
SW6 SW4
SW1 Address set switch
1-8
0, 9-F
SW2 Operating mode set switch (0 usually)
SW3 Test switch (all OFF usually)
SW4 Test switch
SW6 Reset switch
RS-485 terminator resistor select switch
ON
SW7
120 ohm
LED1 Power indicator
LED2 RS-485 communication status indicator
LED3 Not used
LED4 Test indicator
LED5 Test indicator
24
Address
Not used
ON
Open