Outputs - Siemens SITRANS F Series Operating Instructions Manual

Table 10-5
Description
Temperature range
Resolution
Accuracy
Input protection
Cabling
User supplied cables must be suitable for 5°C above surrounding ambient temperature.
1)
10.4

Outputs

Table 10-6 Current output (Channel 1)
Description
Signal range
Resolution
Load
Time constant (adjustable)
Fault current
Measurement range (mA)
Lower fault current (mA)
Upper fault current (mA)
Customized fail-safe mode
Galvanic isolation
Cable
1)
Voltage range
User supplied cables must be suitable for 5°C above surrounding ambient temperature.
1)
Table 10-7 Current output (Channels 2 to 4)
Description
Signal range
Resolution
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD
Channels 5 and 6 input (RTD)
Channels 5 and 6
-50 to 250°C (-58 to 482°F)
<0.1 mK
+/- 0.25 K (calibrated 4 wire)
25 VDC overvoltage
2, 3 or 4 wire
1)
Channel 1
4 to 20 mA
0.4 μA
● Ex i: <470 Ω (HART ≥ 230 Ω)
● Non-Ex: <770 Ω (HART ≥ 230 Ω)
0.0 to 100 s
4 - 20 NAMUR
3.8 - 20.5
3.5
22.6
● Last valid value
● Lower fault current
● Upper fault current
● Fail-safe value
● Current value
All inputs and outputs are galvanically isolated PELV circuits with 60 V DC isolation from each
other and ground.
Maximum test voltage: 500 V AC
Standard industrial signal cable with up to 3 twisted pairs with overall screen can be con‐
nected between the transmitter and the control system. Individual pair or overall screen is
optional depending on user requirements.
Max. 24 V DC (active)
14 to 30 V DC (passive)
Channels 2 to 4
0/4 to 20 mA
0.4 μA
4 - 20 US
4.0 - 20.8
3.75
22.6
Technical data
10.4 Outputs
125