Endress+Hauser Liquistation CSF34, Operating Instructions Manual, Page: 197 / 210

Liquistation CSF34 Technical data
Hauser 197
15.2 Output
Output signal • 2 binary outputs (standard) + 2 binary outputs (optional):
Open collector, max. 30 V, 200 mA
• Up to 2 x 0/4 to 20 mA, active, galvanically isolated from the sensor circuits and from
each other
2 to 6 x 0/4 to 20 mA, active, galvanically isolated from the sensor circuits and from
each other
• Of those, 1 x with optional HART communication (only via current output 1:1). Limited
to 2 current outputs with optional fieldbus communication.
Communication • 1 service interface
• Accessible via front panel connection (optional)
• Commubox FXA291 (accessory) required for communication with the PC
Output signal Depending on version:
• 2 x 0/4 to 20 mA, active, galvanically isolated from one another and from the
sensor circuits
• 4 x 0/4 to 20 mA, active, galvanically isolated from one another and from the
sensor circuits
• 6 x 0/4 to 20 mA, active, galvanically isolated from one another and from the
sensor circuits
• 8 x 0/4 to 20 mA, active, galvanically isolated from one another and from the
sensor circuits
• Optional HART communication (only via current output 1:1)
HART
Signal encoding FSK ± 0.5 mA above current signal
Data transmission rate 1200 baud
Galvanic isolation Yes
Load (communication resistor) 250 Ω
PROFIBUS DP/RS485
Signal encoding EIA/TIA-485, PROFIBUS DP-compliant acc. to IEC 61158
Data transmission rate 9.6 kBd, 19.2 kBd, 45.45kBd, 93.75 kBd, 187.5 kBd, 500 kBd,
1.5 MBd, 6 MBd, 12 MBd
Galvanic isolation Yes
Connectors Spring terminal (max. 1.5 mm), bridged internally (T ‐ function),
optional M12
Bus termination Internal slide switch with LED display
Modbus RS485
Signal encoding EIA/TIA-485
Data transmission rate 2,400, 4,800, 9,600, 19,200, 38,400, 57,600 and 115,200
baud
Galvanic isolation Yes
Connectors Spring terminal (max. 1.5 mm), bridged internally (T
‐
function),
optional M12
Bus termination Internal slide switch with LED display