SEQUENCER WITH
DIFFERENTIAL PRESSURE
SWITCH
Technical notice
FI 72.0567.0221E
Page 4 / 45
CHARACTERISTICS:
Master box/cabinet :
- Supply voltage
230VAC 50/60Hz
Other : on request
- Consumption
According to configuration
- General protection
By circuit breaker
- Characteristics of digital inputs:
Voltage: 24VDC supplied by the device
Charge c/- 1mA
- Relay contact characteristics:
dry contact. max: 125VAC / 0.3A - 30VDC / 1A
(to be protected by the user)
- Operating temperature:
-20°C to 55°C
- Storage temperature:
-20° to 70° C
- Box / cabinet
RAL7035 painted steel dimensions depending on configuration
PC RAL7035 on request - IP55
DP pressure load loss measure (on request):
- Scale
0-500daPa
- maxi pressure ( P+ > P- )
400 mbar
- precision
class 2 on the maximum sensor scale (100 mbar)
→ from 0 to 60 ° C this class takes into account linearity,
hysteresis, the effects of temperature and repeatability
- DP order response time
1 second
- High / low alarm response time
5 seconds
4-20mA analog output (on request):
- Description
Transfer of the pressure load loss measure (DP)
- Type
Integrated power supply, non-isolated
Maximum load <500 Ohms
- Calibration value
4 mA = 0 daPa / 20mA = 500 daPa
4-20mA analog input (on request):
- Description
4-20mA signal receiver
- Type
Passive
- Calibration value
Configuration at the HMI
Touch screen :
- Size / Technology
7 inch / TFT LCD / Resistive touchscreen / buzzer
- Resolution / Colors
800 x 480 / 65536 colors
- USB
USB Slave Vers 2.0
- Date / time calendar
Battery lithium 3V Type CR2032
- protection index
IP65 / NEMA 4
Communication with outside (ex: to supervision):
- protocol
MODBUS - RTU / RS485 (2 wires) - not isolated
Note: Gateway available for other type of network.
- ID number
From 1 to 147
- speed
2400, 4800, 9600, 19200, 38400, 57600 or 115200 bauds
- Type
8N1, 8N2, 8E1 or 8O1
- Max distance
Up to 1200m
- Cable to use
Shielded twisted pair cable; STP type