Inputs - Siemens SITRANS F FST030 Operating Instructions Manual

Technical data

10.3 Inputs

PROFIBUS interface
Table 10- 3
Description
Profile version
Default transmission rate
10.3 Inputs
Table 10- 4
Description
Load
Functionality
Table 10- 5
Description
Signal range
Resolution
Load
Time constant (adjustable)
Fault current
Measurement range (mA)
Minimum alarm (mA)
Maximum alarm (mA)
Customized fail-safe mode
Galvanic isolation
114
Profibus DP/PA
Digital input (Channels 3 and 4)
Channels 3 and 4
15 to 30 V DC, R
Reset totalizer 1, 2 or 3
•
Reset all totalizers
•
Freeze process values
•
Force outputs
•
Current input (Channels 3 and 4)
Channels 3 and 4
0 to 20 mA (EX-version)
•
0 to 25 mA (non-EX-version)
•
0.5 µA
<470 Ohm (EX-version)
•
<770 Ohm (non-EX-version)
•
0,0 to 100 s
US:
4 to 20.8
3.75
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 volt-
age: 500 V AC
Specification
PA V4.0 - compatible with version 3
Automatic baud rate detection
7 kOhm
in
NAMUR:
3.8 to 20.5
3.5
22.6
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC