GDS   C2-20-015-04/00-000-00/0-0-0-0-0/0-0

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The C2 Protector Display & Alarm Controller provides signal conditioning, display and alarm functions for one or two critical input variables.

Designed to provide low-cost direct monitoring for one or two gas sensors or flame detectors, the C2 Protector controller offers a highly-integrated, complete solution for detection of hazardous conditions. Versatile input signal conditioning options allow direct connection of any GDS Corp electrochemical sensor, and local or remote support for any GDS Corp combustible, PID or infrared sensor. Both channels can be configured to accept analog inputs from sources such as the GDS-49 Sensor Transmitter, GDS-IR Point Infrared Gas Detector or any standard 4-20mA source.

Additional C2 options include 5A SPDT discrete relays, 4-20mA outputs, light stacks and audible annunciators.

One popular application for the C2 is as a dual gas detector equipped with one local combustible sensor and one local toxic sensor. Alternatively, two combustible locations may be monitored with one sensor local and another remote.

A large graphic LCD screen displays input data as calibrated engineering units, bargraphs or 30-minute trends. Three adjustable alarm levels per channel, combined with programmable relays with voting logic allows flexible control of beacons, horns and other warning devices. Highly visible red and yellow LEDs visually indicate alarm status at all times.

An optional RS-485 MODBUSŽ slave port allows multiple C2 controllers to be multi-dropped on a single data highway. The C2 Protector controller is also 100% compatible with the ProtectorHMI Visualization and Historian software that can monitor, display and record data from up to ten C1 Protector or C2 Protector controllers.

The C2 Protector controller is CSA certified to CSA C22.2 No. 152 for combustibles and Class I, Division 2, Groups A, B, C, D for use in hazardous areas. An optional NEMA 7 enclosure allows use in Class I Div 1 areas. Up to twelve watts of 24 VDC power is available for auxiliary devices or transmitters.

• Accepts one or two direct-connect local or remote sensors or 4-20mA
• Large LCD display shows values, bar-graph and trend data
• Two programmable 5A SPDT common relays for Alarm 1, Alarm 2, Horn or FAULT
• Optional 6x relay board for perchannel SPDT contacts
• Optional dual channel 4-20mA board for current loop output
• Operates on either +24VDC or 117/240VAC 50/60Hz
• ACK button silences HORN without affecting alarm relays
• Relay voting logic reduces need for external hardware
• Touch and magnetic keys for non-intrusive operation in XP areas
• Pushbutton zero and span calibra tion for directly connected sensors
• NEMA 4x approved for Class 1 Div 2 area without purge
• MODBUSŽ slave port for easy interface from master devices
• CSA certified to C22.2 No 152 for combustible gas detection and approved for Class 1, Div 2 Groups A, B, C, D
• Manufactured in USA