Liquisys M CUM223/253 Technical data
Endress+Hauser 97
11.2 Output
Output signal 0/4 to 20 mA, galvanically separated, active
Signal on alarm 2.4 or 22 mA in case of an error
Load maximum 500
Transmission range
Resolution max. 700 digits/mA
Isolation voltage max. 350 V
RMS
/500 V DC
Overvoltage protection according to EN 61000-4-5
Auxiliary voltage output
Contact outputs
Limit contactor
HART
Signal coding Frequency Shift Keying (FSK) + 0.5 mA via current output
signal
Data transfer rate 1200 Baud
Galvanic isolation yes
PROFIBUS PA
Signal coding Manchester Bus Powered (MBP)
Data transfer rate 31.25 kBit/s, voltage mode
Galvanic isolation yes (IO-Module)
PROFIBUS DP
Signal coding RS485
Data transfer rate 9.6 kBd, 19.2 kBd, 93.75 kBd, 187.5 kBd, 500 kBd, 1.5 MBd
Galvanic isolation yes (IO-Module)
CUS31/CUS41: adjustable, min. 0.1 FNU, 0.1 ppm, 0.1 g/l, 0.1 %
Temperature: adjustable, 10 to 100 % of measuring range
Output voltage: 15 V ± 0.6
Output current: max. 10 mA
Switching current with ohmic load (cos = 1):max. 2 A
Switching current with inductive load
(cos = 0.4): max. 2 A
Switching voltage: max. 250 V AC, 30 V DC
Switching power with ohmic load (cos = 1): max. 500 VA AC, 60 W DC
Switching power with inductive load
(cos = 0.4): max. 500 VA AC, 60 W DC
Pickup/dropout delay: 0 to 2000 s
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