Endress+Hauser Liquisys M CCM223 - Page 114

Technical data Liquisys M CCM223/253
114 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 Cl
2
/ClO
2
CCS120 0 to 10 mg/l
CCS140/240 0 to 20 mg/l
CCS141/241 and 963 0 to 5 mg/l
Temperature 0 to 50 °C (32 to 120 °F)
pH 4 to 9
ORP 0 to 1500 mV
Signal resolution Max. 700 digits/mA
Separation voltage Max. 350 V
RMS
/ 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
Three-point step controller for Cl
2
/ClO
2
Controller behavior P, PI, PD, PID, basic load dosing
Control gain K
p
0.01 to 20.00
Integral action time T
n
0.0 to 999.9 min
Derivative action time T
v
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
Motor run time for three-point step controller 10 to 999 s
Neutral zone for three-point step controller 0 to 40 %