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PROTECTOR4 Four-Channel Wired System Controller with Analog Inputs
Brand: GDS CorporationThe GDS Corp PROTECTOR4 System Controller is designed to provide power for and monitor signals from up to four industry-standard 4-20 mA devices, including all GDS Corp gas monitors, sample draw monitors and process monitors.
The PROTECTOR4 has four ESD-protected analog inputs that operate over the full range of 4-20 mA devices.
The calibrated value of each input is shown on the graphical LCD screen along with alarm and status information.
The PROTECTOR4 includes four dry-contract alarm relays with user-adjustable alarm settings that may be set to either latching or non-latching operation.
When latched, the RESET / ESC button can be used to clear the latched alarm.
The PROTECTOR4 controller also includes an RS-485 serial MODBUS output that can allow remote PLCs or DCSs to monitor the input channels in real time.
When configured with an optional AC power supply, the Protector4 can supply up to 65 watts of external DC power for connected devices.
Features- Four surge-protected 4-20 mA analog inputs
- Three user-programmable alarm levels per channel
- Power input +12 to +35 VDC or 110/220 VAC
- Optional AC power supply provides up to 65 watts for external devices
- Five pushbutton user interface
- Four dry-contact alarm relays with 4A replaceable fuses
- RS-485 serial MODBUS port
- Relays support latching or non-latching mode
- Operating temperature -40°C to +70°C
Specifications
Brand
Power Input
- 85 to 264 VAC
- 12-35 VDC (Optional); DC current draw 275 mA maximum
Protection
- Power Electromagnetic Interference Filter (RFI)
- 4-20 mA Input Surge Suppression
- RS-485 and RS-232 Output Surge Suppression
Display
- 160x104 resolution graphical LCD screen
- Transflective (sunlight readable) with LED backlight
User Interface
- Five manual push buttons (Menu, Add, Sub, Scan / Hold, Reset / Esc)
Analog Output
- Four industry-standard 4-20 mA current loop inputs with DC source excitation
Alarm Settings
- Individual per channel
Standard Output
- Standard 2-wire loop interface, 4-20 mA during normal operation
Relay Output
- Four dry-contact relays rated for 4 A resistive with replaceable fuses
Digital Output
- RS-485 Serial slave port
Optional Radio
- None
Temperature
- -40°C to +70°C Operating Range
Housing
- NEMA 4X fiberglass enclosure with clear window
- Four mounting brackets, 6” wide by 12.25” tall
- Maximum mounting bolt size 5/16” (8 mm) diameter
Dimensions
- 10” H x 8” W x 6” D (Does not include strobes or horns)
Cerifications
- For use in non-hazardous areas only
Hardware Warranty
- One-year limited warranty