Data Sheet for Product

8
Siemens
A6V11396712
Smart Infrastructure
2020-08-17
Technical data
Power supply
Operating voltage
AC 24V ±20% / DC 13.5 to 35V
Frequency
50/60 Hz @ AC 24V
Power consumption
4 VA
Functional data for PM2.5
Measuring range (selectable)
QSA2700D: Select using user interface
QSA2700: Select using Modbus register 216
● 0 to 500 μg/m
3
● 0 to 300 μg/m
3
● 0 to 100 μg/m
3
● 0 to 50 μg/m
3
Unit to unit variability
Max of ±15 μg/m
3
and ±15% of reading @ 77°F (25°C) and
50% r.h.
Analog output signal, (terminal U1)
0 to 10 Vdc, linear, corresponding to selected measuring range
Functional data for PM10
Measuring range (selectable)
QSA2700D: Select using user interface
QSA2700: Select using Modbus register 216
● 0 to 500 μg/m
3
(Default)
● 0 to 300 μg/m
3
● 0 to 100 μg/m
3
● 0 to 50 μg/m
3
Unit to unit variability
Max of ±15 μg/m
3
and ±15% of reading @ 77°F (25°C) and
50% r.h.
Analog output signal, (terminal U2)
0 to 10 Vdc, linear, corresponding to selected measuring range
Connections
Interface
Micro USB
5V power connection for display only
Wiring connections
Screw terminals
Solid wires or prepared stranded wires: 18 to 26 AWG
2
Slotted screws
Size 1, tightening torque 0.6 Nm (0.44 lb-ft).
Wiring lengths for signals.
1970 ft (600 m)
Communication
Communication Protocol
RS485 ModBus
Transmit Mode
RTU
Baud rate (configurable)
9600, 19200 (default), 38400 and 57600 BPS
Modbus address (configurable)
1 (default) to 247
Data
8 bits (0 to 255)
Parity (configurable, following the Transmission
Format)
No Parity or Odd or Even (default)
Stop bits (configurable, following the
Transmission Format)
1 (default) or 2
Max. cable length
1000 m (±200 m)
Identity
Slave