Inputs; Outputs - Siemens SITRANS FC330 Operating Instructions Manual

Technical data

11.5 Outputs

11.4

Inputs

Table 11-10 Digital input
Description
Load
Functionality
11.5 Outputs
Table 11-11 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
Voltage range
198
Channels 3 to 4
15 to 30 VDC, R 7 kOhm
in
● Start/stop/hold/continue dosing
● Reset totalizer 1, 2 or 3
● Reset all totalizers
● Freeze output
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 reliable 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)
4 - 20 US
4.0 - 20.8
3.75
22.6
Operating Instructions, 01/2019, A5E44030648-AB
SITRANS FC330