Products Category
WDDY
Product Description
1. Meet the requirements of International GB28184-2011 Fire Protection Equipment Power Monitoring System:
2. Monitor the working status of main and standby power supply of fire fighting equipment:
3. Monitor the overvoltage, undervoltage, phase loss, overcurrent and other faults of the main and standby power supplies of the fire fighting equipment:
4. Main and standby power supply interruption of monitoring equipment:
5. Rs485 communication bus design is adopted, and communication is divided into two lines, A and B:
6. One universal machine is set for multiple purposes. Single phase, three-phase, single circuit and dual circuit types can be set at will according to the site conditions:
7. Expandable to realize wireless, GPRS and other functions;
Technical Parameter
|
Type |
Parameter |
Type |
Parameter |
|
Supply voltage |
DC24V or AC 220V power supply |
Alarm delay |
0-60sAdjustable, field settable |
|
Rated power |
<5W |
Display interface |
6-bit LCD display, LED indication |
|
Communication mode |
Rs485 Communication bus |
ambient temperature |
-10°-十70℃ |
|
Power cord |
NH—BV-2x2.5mm□ |
Ambient humidity |
Relative humidity≤95% |
|
Communication line |
ZR-RVS-2 x 1.5mm□ |
Altitude |
4500m |
|
Output parameters |
One passive contact, alarm or control output |
Overall dimensions |
130×95×55mm（W×H×D） |
|
address code |
Each fire power module has a unique address code |
- |
- |
Selection table of power supply monitoring module (signal sensor) for voltage and current fire fighting equipment
|
Model |
WDDY-10A |
WDDY-11VA |
WDDY-22VA |
WDDY-30A |
WDDY-11A |
WDDY-33VA |
WDDY-63VA |
|
|
Monitoring single-phase current |
√ |
|
|
|
|
|
|
|
|
Monitoring single-phase AC voltage+current |
|
√ |
|
|
|
|
|
|
|
Monitoring single-phase dual power AC voltage+current |
|
|
√ |
|
|
|
|
|
|
Monitoring three-phase current |
|
|
|
√ |
|
|
|
|
|
Monitoring single-phase dual power supply current |
|
|
|
|
√ |
|
|
|
|
Monitoring three-phase four wire AC voltage+current |
|
|
|
|
|
√ |
|
|
|
Monitoring three-phase four wire double power supply AC voltage+current |
|
|
|
|
|
|
√ |
|
|
Protection function |
Overpressure |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
Undervoltage |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Phase failure |
|
|
|
|
|
|
|
|
|
Overcurrent |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Power interruption |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Communication protocol Rs485 communication protocol |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
LCD display function of current, voltage and switching value |
1 Way |
1 Way |
1 Way |
1路 |
1 Way |
1 Way |
1 Way |
|
|
Relay output (alarm normally open point and number of channels) |
|
|
|
|
|
|
|
|
|
Additional Features |
Monitoring the temperature of fire emergency distribution box, smoke arc warning function, wireless Internet of Things alarm function:
Overcurrent function: the current transformer is purchased by the user, and the current grade is selected according to the rated current of the dual power transfer switch or circuit breaker at the incoming line end.
The expansion module can be added to monitor single three-phase voltage or current.
|
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