iSMA-B-FCU /FCU Hardware
Version 1.1
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Interface
Failsafe Receiver (Bus Open, Bus Shorted, Bus Idle)
Communication
protocols
Modbus RTU, Modbus ASCII or BACnet MSTP
set by switch
Baud rate
From 2400 to 115200 set by switch
Address
0 to 255 set by DIP switch
RJ12 Interface
RS485
Up to 128 devices
Communication
protocol
Modbus RTU
Baud rate
From 2400 to 115200
Power supply
34 V DC ± 15%, 2.5 W
USB
USB
Mini USB 2.0
Ingress
protection
IP
IP40
Temperature
Storage
– 40°C to +85°C
Operating
0°C to +50°C
Humidity
Relative
5 to 95%
Connectors
Inputs / Outputs,
Power Supply and
Communication
Removable
HTG Relay
Constant
Maximum cable size
1.5 mm
2
Dimensions
Width
123 mm
Length
137 mm
Height
55 mm
Table 1 Technical specification