Liquisys M CLM223/253

6

Endress+Hauser

PROFIBUS DP

Signal encoding

RS485

Data transmission rate

9.6 kBd, 19.2 kBd, 93.75 kBd, 187.5 kBd, 500 kBd, 1.5 MBd

Galvanic isolation

Yes (IO modules)

Signal on alarm

2.4 or 22 mA in the event of an error

Load

Max. 500 Ω

Transmission range

Conductivity

Configurable

Resistivity

Configurable

Concentration

Configurable

actuating variable

Configurable

Temperature

Configurable

Signal resolution

Max. 700 digits/mA

Minimum spread of output

signal

Conductivity

Measured value 0 to 1.999 μS/cm

0.2 μS/cm

Measured value 0 to 19.99 μS/cm

2 μS/cm

Measured value 20 to 199.9 μS/cm

20 μS/cm

Measured value 200 to 1999 μS/cm

200 μS/cm

Measured value 2 to 19.99 mS/cm

2 mS/cm

Measured value 20 to 2000 mS/cm

20 mS/cm

Resistance

Measured value 0 to 199.9 kΩcm

20 kΩcm

Measured value 200 to 1999 kΩcm

200 kΩcm

Measured value 2 to 19.99 MΩcm

2.0 MΩcm

Measured value 20 to 200 MΩcm

20 MΩcm

Concentration

No minimum turndown

Temperature

15 °C

Separation voltage

Max. 350 VRMS / 500 V DC

Auxiliary voltage output

Output voltage

15 V ± 0.6 V

Output current

Max. 10 mA

Contact outputs

Switching current with ohmic load (cos φ = 1)

Max. 2 A

Switching current with inductive load (cos φ = 0.4) Max. 2 A

Switching voltage

Max. 250 V AC, 30 V DC

Switching power with ohmic load (cos φ = 1)

Max. 500 VA AC, 60 W DC

Switching power with inductive load (cos φ = 0.4) Max. 500 VA AC, 60 W DC

Limit contactors

Pickup/dropout delay

0 to 2000 s

Controller

Function (configurable)

Pulse length/pulse frequency controller,

continuous controller

Controller behavior

P, PI, PD, PID, basic load dosing

Control gain Kp

0.01 to 20.00

Integral action time Tn

0.0 to 999.9 min

Derivative action time Tv

0.0 to 999.9 min

Period length for pulse length controller

0.5 to 999.9 s

Frequency for pulse frequency controller

60 to 180 min-1

Basic load

0 to 40 % of max. actuating variable