Home > Products > Environment Monitoring System > Remote Monitoring Environment / Security Monitoring System Support RS485 RS232
Remote Monitoring Environment / Security Monitoring System Support RS485 RS232
- 0 Set / Sets per Month
- T/T L/C D/P D/A
- 7 days
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Product Details
Brand Name: | ESTEL | Place of Origin: | China | Model Number: | NEM-500 |
Product Description
Certification:ISO9001, CE, 3C, FCC, TLC
Remote Monitoring Environment / Security Monitoring System Support RS485 RS232
Quick Details:
Place of Origin: Shenzhen, China (Mainland) | Communication Interface: RS485, Ethernet, RS485/232 multiplex |
Brand Name: ESTEL | Analog Input: four ways |
Model Number: NEM-500 | Digital Input: eight ways |
Product Name: Environment Monitoring System | Dry contact (relay) output:eight ways |
Certification: ISO9001, CE, 3C, FCC, TLC | Operating Voltage: 85 VAC~300 VAC, or 20 VDC~ 60 VDC |
Application: Outdoor Telecom Cabinet | Alarm Sensors: door sensor, smoke sensor, water sensor, temperature and humidity sensor, tilt & shock combination sensor |
Payment & Shipping Terms:
Minimum Order Quantity: | 1 set |
Price: | negotiation |
Payment Terms: | L/C, D/A, D/P, T/T, Western Union |
Supply Ability: | 20,000 sets per month |
Delivery Time: | 7-10 working days |
Packaging Details: | carton/wooden case |
1. Description
The NEM-500 is a small high-reliability environment monitoring unit developed to provide environment/device control and remote monitoring for communications base stations, integrated equipment rooms, and out-door cabinets.
The monitoring unit monitors important environmental factors such as temperature, humidity, smog, water penetration, access control, vibration/leaning, main distribution frame (MDF), and surge protection device (SPD). When any value collected by a sensor exceeds the preset threshold, an alarm is sent through the LCD, buzzer, or system log.
The monitoring unit also provides complete device detection functions, such as switch power status detection. Through a preserved custom interface (optional), the unit can be connected to another sensor in main contact point output type.
2. Product Appearance
Chassis dimensions (H x W x D) are 43.6 mm (1U) x 482.6 mm (19 inches) x 122 mm. Front cabling is adopted. The following shows the front panel of the chassis:
Note: The diagram is for reference only and the dimensions may be different from those of the real device. Note: In this document, transmitter, sensor, and integrated transmitter have the same meaning.
Interface specifications
1.)Power switch
It is used to power on/off the device.
2.)Power interface
This device can be powered by AC or DC power supply.
AC voltage range: 85 VAC to 300 VAC;
DC voltage range: 20 VDC to 60 VDC
3.)Liquid crystal display (LCD)
It displays sensor status data and parameter configuration pages.
4.)Buttons
They are used together with the LCD for menu page up/down and parameter settings.
UP: — Go to the previous page up (when viewing), or increase the parameter value (when setting);
DOWN: — Go to the next page up (when viewing), or decrease the parameter value (when setting);
OK: — Confirm the selection of a menu option (when viewing), or of a parameter value (when setting).
5.)LEDs
They show the operation and alarm status of the monitoring unit.
Power LED: — It indicates that the device is powered on and running;
Minor alarm: — It indicates a minor alarm;
Major alarm: — It indicates a major alarm.
6.)Sensor input interfaces
Four current-type analog input ports, with 12 VDC power ports connected to temperature, or temperature and humidity combination sensors;
Eight switch (dry contact) input ports, three of which with 12 VDC power ports connected to access control, smog detector, infrared detector, or SPD sensors;
8.)Dry contact (relay) output interfaces
Eight ports are available to send alarm signals to the upper-level alarm center, or to control the device’s startup/close-down.
You can customize alarm rules, and associate any alarm signal with a relay among O1 to O8. Ports O1 to O4 output switch signals;
Ports O5 to O8 control large-current devices such as fans and heaters.
9.)RS485/RS232/Ethernet interfaces
Four ports: A is an optional Ethernet port; B and C are fixed RS485 ports; D is an RS485/RS232 multiplex port that can be set to work in either RS485 or RS232 mode. Port A, D can be switch by the system automatically.
Ports A and D are used to connect the remote computer or alarm center device;
Ports B and C are used to connect other RS485-interface de
Contact Us
- Tianjin Estel Electronic Science and Technology Co.,Ltd
- Contact nameMs. Fiona Liang
- Phone86-137-52765943
- AddressTonggao Building No.3, Sanlian Industrial Area, Tangtou Community, Shiyan Street Linyi,Shandong
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