Technical Data; Design / Enclosure Class; General Data; Electronic Data And Functions - Grundfos Conex DIA-2 Installationsanleitung

8. Technical data

8.1 Design / enclosure class

Wall-mounted
enclosure
(distance from IP65
sensors up to three
metres)
IP54 (front) /
IP65 (sensor interface)
Control panel
(distance from sensor
enclosure
interface up to 100 metres,
including separate
distance from sensor
potentiostat
interface to sensors up to
three metres)

8.2 General data

Input power Approximately 15 VA
Permissible 0 °C to +45 °C
ambient
temperature
Permissible -20 °C to +65 °C
storage
temperature
Maximum relative
90 % (non-condensing)
humidity
Weight 1.5 kg
Plastic (control panel
enclosure: noryl,
Enclosure
wall-mounted
enclosure: ABS)
• 230/240 V (50/60 Hz)
Power supply
versions • 115/120 V (50/60 Hz)
• 24 VDC
12
(standard model)

8.3 Electronic data and functions

8.3.1 Electronics
Electronics 16-bit microprocessor
High-resolution graphics LCD
Display
with background light
1 alarm relay, 2 controller
Potential-free relay
relays (250 V / 6 A, maximum
outputs
550 VA)
Signal inputs Controller stop; water sensor
4 analog outputs 0/4 to 20 mA,
Signal outputs freely adjustable, maximum
load 500 Ω
• Parameter group 1:
• Parameter group 2: pH
• For temperature or
Freely adjustable
analog outputs for
measured values
• For continuous control (0/4
8.3.2 Functions of the instrument amplifier
Measured-value display:
measured value with its unit,
Display mode
temperature display:
in °C or °F
Temperature Manual or automatic with
compensation Pt100
Manual, or with automatic
Calibration
recognition of buffer solution
chlorine, chlorine dioxide,
ozone or peroxide
continuous control (0/4 to
20 mA) of the parameters
from group 2 (pH)
to 20 mA) of the
parameters from group 1
(chlorine, chlorine dioxide,
ozone or peroxide)