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TCS-NET Modbus Protocol Conversion Interface
6
Setting
The following settings are necessary to use TCB-IFMB640TLE.
• SW1
TCB-IFMB640TLE address set switch
When two or more TCB-IFMB640TLE are used, set a different address for SW1 to avoid address
duplication.
Assign addresses in an ascending order.
• For the TCB-IFMB640TLE whose address SW1=1, perform terminator resistor setting.
• When the SW1 setting has been changed, press the reset switch SW7. The new address setting is read.
• To clear all accumulated operating values to 0, set SW2 to 3 and press the reset switch SW7, and then set
SW2 to 0 and press the reset switch SW7 again.
• To set the delayed response mode, set SW2 to 4 and press the reset switch SW7. With this mode, a slave
delays responding to the requests from the master for 250ms.
Leave SW2 set to 4 to keep the response mode set as delayed response mode.
• When the setting of bit3 and bit4 of SW3 has been changed, press the reset switch SW7. The new set value
is read.
• SW2
Test switch, accumalated operating value
setting, delayed response mode.
• SW3
Test switch, RS-485 baud rate setting (9600/
19200/38400) bps.
• SW4
Test switch
Not used during operation.
Set these switches to zero (0) or "all OFF".
• SW5
RS-485 terminator resistor select switch
Set "120 ohm" only when the relay interface
address SW=1, and set "open" for TCB-
IFMB640TLE.
SW5
ON
1
2
SW5
ON
1
2
3
4
REQUIREMENT
• RS-485 terminator resistor select switch SW5.
Set "120 ohm" (bit1,2,3 ON) only when the TCB-
IFMB640TLE address SW=1, and set "open" for
other TCB-IFMB640TLE.
• The TCC-LINK terminator resistor is set on the
air conditioner side. Set SW6 to "open".
9-EN
SW6
ON
1
2
SW7
CAUTION
• SW6
TCC-LINK terminator resistor select switch
The TCC-LINK terminator resistor is set on the
air conditioner side. Set SW6 to "open".
• SW7
Reset switch
When performing an address setting with SW1,
press this reset switch after the address setting
to read the set value.
SW1
TCB-IFMB640TLE address set switch
1-F
0
Test switch (0 usually), accumalated operating value
SW2
setting, delayed response mode
Test switch (1, 2 OFF usually) 3, 4 OFF 9600/
SW3
3 ON, 4 OFF 19200/3 OFF, 4 ON 38400/3 ON, 4 ON
19200
SW4
Test switch
SW5
RS-485 terminator resistor select switch
ON
1
2
3
4
Resistor Set
SW6
TCC-LINK terminator resistor select switch
ON
1
2
100 ohm
SW7
Reset switch
LED1
Power indicator
LED2
RS-485 communication status indicator
LED3
TCC-LINK Communication status indicator
LED4
TCC-LINK Communication error indicator
LED5
Test indicator
– 10 –
Installation Manual
TCB-IFMB640TLE address
Not used
Bit1: pull-up resistor select.
Bit2: pull-down resistor
ON
select.
Bit3: terminator resistor
select.
1
2
3
4
Bit4: terminator resistor
Open
select.
ON
Note:Bit 2 is not used.
1
2
Open
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