Technical Specifications - ABB AW400 Series Instruction Manual

2.4

Technical Specifications

•
Display: digital LCD display, dot matrix, 16 + 16 characters, with back light.
•
Power supply, selectable through a soldered jumper on the rear of the power supply pc board (see Sect.
3.4.1):
115 Vac, ±10%, 50/60 Hz
230 Vac, ±10%, 50/60 Hz
•
Maximum consumption: 20 VA
•
Electrical classification: for non hazardous area
•
Enclosure classification: IP65, suitable for outdoor mounting
•
Housing construction material: Goodlac V0 532 ULSD F17 (ABS with 17% Fiberglass)
•
Mounting: hardware is supplied for the following mounting options
- wall mounting
- 2" pipe mounting
•
Analog outputs: one for each installed channel (analog I/O pc board); separately selectable for each
channel as 0–20 mA or 4–20 mA.
• Outputs are galvanically isolated from inputs. Load 0–1000 Ω, protected against short circuits.
•
Digital outputs: through relays. Rating: 24 Vdc and 24 Vac, 2 A max. Contact output status can be
selected as NO or NC separately for each contact by a specific selection in the Configuration menu.
•
Serial communication port: RS232, RS422 and RS485 with RJ45 plug-in sockets. The protocol used is
illustrated in a dedicated section at the end of this manual.
•
Alarm level setting: High and Low alarm for channel 1, High and Low alarm for channel 2. Separate
levels for each channel, freely selectable. Dead band freely selectable for each channel.
•
Measuring ranges: freely selectable for each channel within the limits indicated for each parameter, as
follows:
PARAMETER
pH
mV
O3
Cl
CD
T
mA
MINIMUM SPAN
1.00 pH
100 mV
0.25 ppm
0.25 ppm
0.25 ppm
5 °C
2 mA
MAXIMUM RANGE
0.00 to 14.00 pH
-1500 to +1500 mV
0.00 to 10.00 ppm
0.00 to 10.00 ppm
0.00 to 10.00 ppm
0 to +100 °C
0/4 to 20 mA
DEFAULT SETTING
2.00 to 12.00 pH
-500 to +500 mV
0.00 to 1.00 ppm
0.00 to 1.00 ppm
0.00 to 1.00 ppm
0 to +100 °C
4 to 20 mA
5