Siemens SITRANS FC310, Краткое руководство по эксплуатации, Страница: 47 / 54

Technical data
7
Table 7-1 Power supply
Description Specification
Supply Voltage [V] 12 - 27 VDC
Um: 60 VDC
Reverse polarity protection Yes
Power consumption 1.1 W
Intrinsically Safe specification: Ui: 20 V, Ii: 484 mA, Pi: 2.3 W, Li: 0.6 uH, Ci: 1.9 nF.
7.1 Modbus Communication Specification
Table 7-2 Modbus communication specification
Description Specification
Device type Slave
Baud rates
● 9600
● 19 200 (Factory setting)
● 38 400
● 57 600
● 76 800
● 115 200
Number of stations Max. 31 per segment without repeaters
Device address range 1 to 247
Protocol Modbus RTU
Electrical interface RS-485, 2-wire
Connector type M12 / Cable termination
Supported function codes ● 3: read holding registers
● 16: write multiple registers
● 8: diagnostics
Broadcast No
1)
Maximum cable length [m] 600 meters (@ 115 200 bits/sec)
Standard Modbus over serial line v 1.0
2)
Certification one
Device Profile None
1)
: Standard restriction. The standard requires a LED indicator for visual diagnosis. This device
does not support a LED indicator. This device does not react to any Broadcast commands.
SITRANS FC310
Compact Operating Instructions, 01/2019, A5E44932112-AB
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