Technical data
10
© Lutz-Jesco GmbH 2020
BA-46020-02-V04
Multi-Channel Controller
TOPAX
®
MC
Operating instructions
5 Technical data
TOPAX
®
MC
Housing dimensions (W x H x D)
mm
302 x 240 x 107
Voltage supply
100 – 240 V AC, 50/60 Hz
Power consumption
W
max. 20
Analogue outputs for remote transmission
4 x 0/4 – 20 mA, working resistance max. 500 Ω
Disturbance variable input
mA
0/4 – 20
Interfaces
Ethernet TCP/IP or RS485 Modbus RTU (optional)
Protection class
IP65
Ambient temperature
°C
-5 to +45 (no exposure to direct sunlight)
Control characteristic
P, PI, PID or PD behaviour,
control direction selectable with disturbance variable feed forward,
2-side control selectable
Tab. 6: Technical data multi-channel controller
TOPAX
®
MC
5.1 Measuring inputs
All measuring inputs consist of an input for temperature measurement via Pt100 and a second input for the measurement of a further water parameter.
On some measuring inputs, this input will measure a number of different parameters.
Measuring inputs (depending on version)
Number of measuring inputs
up to 4
Free chlorine
Amperometric 3-electrode measur-
ing cell with potentiostat (DMZ3.1)
mg/l
0 – 15 (dependant on the measuring cell transconductance)
CS120 excess chlorine measuring cell
mg/l
0 – 10 (dependant on the measuring cell transconductance)
Diaphragm-covered measuring cell
mg/l
0 – 10 (dependant on the measuring cell)
Chlorine dioxide
Amperometric 3-electrode measur-
ing cell with potentiostat (DMZ3.1)
mg/l
0 – 15 (dependant on the measuring cell transconductance)
CS120 excess chlorine measuring cell
mg/l
0 – 10 (dependant on the measuring cell transconductance)
Diaphragm-covered measuring cell
mg/l
0 – 2 (dependant on the measuring cell)
Total chlorine
Diaphragm-covered measuring cell
mg/l
0 – 10 (dependant on the measuring cell)
pH value
pH single-rod measuring cell
pH
0 – 14 (dependant on the single-rod measuring chain)
Redox value
Redox single-rod measuring cell
mV
0 – 1000 (dependant on the single-rod measuring chain)
Conductivity
Conductive conductivity measuring cell inc.
temperature sensor PT100, K = 1
mS/cm
0 – 2, 0 – 20, 0 – 100
Temperature
Pt100
°C
-10 to +90
Tab. 7: Multi-channel controller
TOPAX
®
MC
measuring inputs
5.2 Output modules
Output modules (depending on version)
Servomotor relay
2 x 230 V AC, 5 A (ohmic load)
kΩ
Potentiometer feedback: 1 – 10
Servomotor 20 mA
Constant 0/4 – 20 mA output
Servomotor with 20 mA feedback
Relays
2 x 230 V AC, 5 A (ohmic load)
Optocoupler
2 x 80 V DC, 5 mA
Tab. 8: Multi-channel controller
TOPAX
®
MC
output modules
