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„ Settings for each type (TA, TF, DDC)
Set with the SW501 switch on the control P.C. board MCC-1777.
TA type: Set all SW501 to OFF.
Turn off Bit3 of SW501.
ON
SW501
OFF
TF type: Turn on only Bit2 of SW501.
Turn off Bit3 of SW501.
ON
SW501
OFF
DDC type (0 - 10 V) Stepped Control: Turn on only Bit3 of SW501. (Refer to AI3 / AI3 for details)
ON
SW501
OFF
DDC type (0 - 10 V) Linear Control: Turn on Bit3 and Bit4 of SW501. (Refer to AI3 / AI3 for details)
ON
SW501
OFF
LED position and details
D505
D504 D503
LED
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
D501
P.C. board LED
D501 MCU power supply
D503 Main bus communication
D504 Sub bus communication
D505 Mod bus communication
D403 Sub bus power supply
D403
LED
Meaning of lighting
Lights when the power is turned on
Flashes every 5 seconds.
With central control: lighting and flashing every 5 seconds.
Flashes every 5 seconds.
Group: lighting and flashing every 5 seconds.
When connected to Modbus, it lights up every 5 seconds.
Sub bus lights while power is being supplied.
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SW501
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