Endress+Hauser Liquiline M CM42 - Types of Calibration; Two-Point Calibration

10
Cable specification
Ex specification
Output
Output signal 1x 4 to 20 mA, potentially isolated against sensor circuit
1)
2x 4 to 20 mA, potentially isolated against sensor circuit
2)
0.8 to 1.2 mA peak to peak
3)
PROFIBUS PA
4)
FOUNDATION Fieldbus
5)
Signal on alarm ≥21.5 mA
digital via field bus
6)
Load Max. load with an supply voltage of 24 V: 500 Ω
Max. load with an supply voltage of 30 V: 750 Ω
Output signal range
Ex specification
current output 4/20 mA
With Memosens 100 m (330 ft) max. cable length
Intrinsically safe sensor circuit with type of protection: EEx ia IIC T6
Max. output voltage U
o
Max. output current I
o
Max. output P
o
5.04 V
80 mA
112 mW
For connection to the special measuring cable CYK10
1) current output 1
2) current output 1 and current output 2 (optional)
3) only for HART communication
4) for version with PROFIBUS PA
5) for version with FOUNDATION Fieldbus
6) with Profibus PA or FOUNDATION Fieldbus only
pH adjustable, ΔpH > 0.5
ORP adjustable, ΔU > 5 mV
Oxygen adjustable
Conductivity, conductive measured none
Conductivity, inductive measured none
Temperature adjustable, minimum 2 °C (2 °F)
Intrinsically safe supply and signal circuit with type of protection:
EEx ia IIC T6 passive
Max. input voltage U
i
Max. input current I
i
Max. input P
i
Max. internal inductivity L
i
Max. internal capacity C
i
30 V
100 mA
750 mW
221 μH (output 1)
24 μH (output 2)
1.2 nF (output 1)
negligible (output 2)