English (GB)
7
6. Technical data
6.1 Instrument versions
6.1.1 Instrument amplifier
6.1.2 Versions of power supply
•
230/240 V (50/60 Hz)
•
115/120 V (50/60 Hz)
•
24 VDC.
6.2 General data
6.3 Electronic data and functions
6.3.1 Electronics
6.3.2 Instrument amplifier functions
6.3.3 Controller functions
For limit monitor
For interpulse, pulse frequency and continuous
controllers
Type
Measured variables
Conex
®
DIS-D
Chlorine, chlorine dioxide or
ozone
Conex
®
DIS-PR
pH/redox and temperature
Enclosure class
IP65
Input power
Approx. 15 VA
Permissible ambient
temperature
0 °C to +45 °C
Permissible storage
temperature
-20 °C to +65 °C
Max. relative humidity
90 % (non-condensing)
Weight
0.8 kg
Enclosure
Plastic ABS
Electronics
16-bit microprocessor
Display
LCD
Floating relay outputs 1 alarm relay, 1 controller
switching relay
(250 V / 6 A, max. 550 VA)
Signal inputs
Measured value
Water sensor
Temperature
(only Conex
®
DIS-PR)
Signal outputs
1 analog output 0/4 to 20
mA, max. load 500
Ω
, for
measured value or
continuous control
Display mode
Measured-value display:
measured value in
physical dimension,
temperature display: in °C
(only Conex
®
DIS-PR)
Temperature comp.
(Conex
®
DIS-PR)
Manual or automatic with
Pt100
Calibration
Manual Cal with auto-read
function
Measured-value output 0/4 to 20 mA
Controller
Selectable as switching or
continuous controller
Controller output for
switching controller
Limit monitor, interpulse
controller (P, PI), pulse
frequency controller (P, PI)
Controller output for
continuous controller
0/4 to 20 mA selectable
Limit
0 to 100 % of measuring range,
adjustable in physical dimension of
measured variable
Hysteresis
0 to 50 % of full-scale value,
adjustable in physical dimension of
measured value
Setpoint
0 to 100 % of measuring
range, adjustable in
physical dimension of
measured value
Proportional band, X
p
0.1 to 3000.0 %,
resolution 0.1 % in the
range 0.1 to 100.0 %,
resolution 1 % in the
range 101.0 to 3000.0 %
Reset time, T
n
0 to 3000 s, resolution 1 s
Pulse + pause time
1 to 100 s, resolution 1 s
(only with interpulse
controller)
Minimum ON time,
T
min
0.1 to 10.0 s, resolution
0.1 s (only with interpulse
controller)
Maximum frequency
1 to 220 pulses per
minute, pulse width 50 ms
(only with interpulse
controller)
Control/switching
direction
Upward or downward
violation selectable