Features
Alarm unit SDAM L4 with 4 digital inputs
Functions:
-4 digital inputs for switch sensors like pressure switches or vacuum switches
-Alarm notification by 4 red Led for high priority
-Alarm recovery function after 15 minutes, selectable by dip-switch
-Input operation programmable by jumpers as N.O. or N.C.
-Auxiliary output switch for external cumulative alarm indicator
-Auxiliary output switch for external hooter
-4 independent outputs duplicating the status of the inputs
-RS485 local network interface and proprietary protocol SDAMNET (option)
Technical Specs
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(EN)
Functions:
- Local and remote monitoring of tank for level and pressure
- Integrating differential and relative pressure transducers
- Large LCD display for level and pressure with backlight and low light sensor
- Minimum level, low pressure and high pressure/high level set-points with additional output switches programmable by user
- Low temperature alarm for detecting leakages of cryogenic media close the transducer.
- 3 additional alarm inputs for external switch sensors (e.g. pressure switches)
- Repeater signals 4/20mA or 0/20mA outputs for level and pressure measures
- Proprietary network protocol CRIONET or Modbus optional
- Programming by encoder with button integrated
- Easy, fast and inexpensive installation for setup and startup.
| Power supply |
|
| Voltage: |
24 Vdc ±5 % |
| Current: |
max 0.2 A / 230 Vac |
| Optional: |
max 100mA |
| Additional alarm inputs: |
3 digital inputs, 9-48 Vdc, Imax 5 mA, insulation >4 kV |
| Visual indications: |
4 digits LCD display for level H18 mm |
| Pressure and level (DRT transducer) |
| Relative pressure: |
Range: 0…20 bar (standard) |
| Optional: |
0…50 bar (optional) |
| Resolution: |
0.1 bar |
| Combined error (0…50 °C): |
< ±0,2 bar |
| Breaking overpressure: |
35 bar (80 bar for range 0…50 bar) |
| Differential pressure (level) |
| Range: |
0-2 bar |
| Resolution: |
(programmable by user) |
| Combined error (0…50°C): |
< ±2 % of F.S @ F.S. A150 mbar |
| Differential overpressure: |
± 4 bar limited by integrated protection system |
| Local network interface & References |
| Local network interface: |
Proprietary protocol CRIONet on insulated RS485 |
| Weight: |
3,5 kg |
| Operating Temperature: |
-20…60 °C |
| Reference standards and directives: |
014/30/EU EMC, 2014/35/EU LVD
EN 61000-6-1, EN 61000-6-3
ISO 15001, BAM M 034-1
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