iSMA-B-FCU /FCU Hardware
Version 1.1
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2.9 Protocol selection
Protocol selection is made with sections 4 and 5 of the S3 switch according to the table:
4
5
Protocol
OFF (0)
OFF (0)
Modbus RTU
OFF (0)
ON (1)
Modbus ASCII
ON (1)
OFF (0)
BACnet Master
ON (1)
ON (1)
BACnet Slave
Table 3 Protocol selection
WARNING! In BACnet mode switch number 4 must be on ON(1) position and switch number 5
decides if BACnet works in Master or Slave mode (please check on the above table).
2.10 Restoring the default settings
To restore the default ISMA-B-FCU device settings, follow the steps below:
1.
Turn power supply off
2.
Set section 6 of Protocol switch to ON
3.
Turn on power supply, power LED blinking
4.
Switch section 6 of Protocol switch to OFF to restore the default settings. To cancel the reset,
turn off the power and switch section 6 of Protocol switch to the OFF position.
2.11 Default Settings
Out of the box device as well as after restoring default values procedure, has got the following
default settings:
Name
Default Value
USER BAUD RATE
76800
STOP BITS
1
DATA BITS
8
PARITY BITS
0
RESPONSE DELAY
0
I1 – I4 DIGITAL INPUT COUNTERS
0
Table 4 Default values
