product

Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Factory Price Gas Alarm Controller with 4~20mA Signal Input (RS485 optional), We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for China H2s Gas Detector Controller and Gas Detector Controller, With its rich manufacturing experience, high-quality products and solutions, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.

Technical Specifications

Major Features

● Bus signal transmission, strong system anti-interference capability, cost-efficient wiring, convenient and efficient installation;

● Real-time gas concentration (%LEL/ppm/%VOL) monitoring interface or time display interface for user’s choice;

● Free setting of two level alarm values and three alarming types (rising/falling/two-level);

● Calibrate and trace the sensor aging automatically;

● Fault automatic monitoring; indicate the fault location and type correctly;

● Strong logic programming and free configurations of output modules can realized remote automatic control over various kinds of external equipment; four programmable emergency buttons can manually output control signals;

● Strong memory: historical records of the latest 999 alarming records, 100 failure records and 100 startup/shutdown records, which will not be lost in case of power failure;

● RS485 bus communication (standard MODBUS protocol) interface to realize communication with the host control system and networking with the fire and gas network system, to improve system integration.

Structure

1. Side lock
2. Cover
3. Horn
4. Bottom box
5. Bus connection terminal
6. RS485 bus communication interface
7. Relay connection terminal
8. Incoming hole
9. Power supply terminal
10. Grounding terminal
11. Switch of main power supply
12. Switch of standby power supply
13. Switch power supply
14. Standby power supply
15. Control panel

Panel Marks And Mounting Instructions

● Make 4 mounting holes (hole depth: ≥40mm) in a wall as per the requirements for bottom board mounting holes (hole symbols 1-4);

● Insert a plastic expansion bolt into each mounting hole;

● Fix the bottom board onto the wall, and fasten it onto the expansion bolts with 4 self-tapping screws (ST3.5×32);

● Hang the welding hanging parts on the back of the controller onto location A at the bottom board to complete mounting of the controller.

Wiring Diagram

N, and L: AC220V power supply terminals

NO (normally open), COM (common) and NC (normally closed): (4 sets) output terminals for relay external control signals output terminals

S1, S2, GND and +24V: (4 sets) bus connection terminals (≤64 points for each set)

A, GND and B: RS485 communication interface connection terminals

Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Factory Price Gas Alarm Controller with 4~20mA Signal Input (RS485 optional), We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
Factory Price China H2s Gas Detector Controller and Gas Detector Controller, With its rich manufacturing experience, high-quality products and solutions, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.