1. Versatile Channel Configurations: Gas Monitor supports 8, 16, and 24 channel configurations for flexible gas detection in various industrial settings.
2. MODBUS RTU Network Connectivity: Gas Monitor utilizes RS-485 MODBUS RTU network connectivity on 4-wire technology for efficient and reliable communication.
3. Redundancy with Ring Topology: Offers ring topology for redundancy, ensuring continuous system operation even in the event of wire breaks.
4. Multidrop RS-485 Port: Eliminates the need for separate cabling to each detector with a multidrop RS-485 port, simplifying installation.
5. Programmable Display Scan: Features a programmable display scan time (1 to 999 seconds) to monitor all channels effectively.
6. Digital Inputs: Includes 2 digital inputs for additional input signals or external device integration.
7. LED Display and Status Indicators: Equipped with 2 x 4 digit LED display and 32 LEDs for clear status indication of alarms, faults, and communication status.
8. Integrated Buzzer and Relays: Integrated buzzer and 3 SPDT relays provide audible and visual warnings for alarm set point violations.
9. Password-Protected Menu: Ensures security with a password-protected menu and the ability to change passwords.
10. User-Friendly Programming: Easy handling and programming with 3 keys on the front panel.

Technical Specifications:

1. Input: Supports 8, 16, 24 detectors with RS-485 MODBUS RTU port.
2. Control Action: 3 independent relays common for all channels, operating based on slave status.
3. Audible Indication: Integrated buzzer and hooter for alarm set point violation.
4. Range & Resolution: Offers three resolution options – 0, 0.1, and 0.01.
5. Environmental Conditions:
– Operating Temperature: 0 to 50°C.
– Humidity: Less than 95% RH non-condensing.
6. Electrical:
– Supply Voltage: 90 to 270 VAC, typically 230 VAC.
– Current for Slave Device: Less than 1.5 Amp at 24VDC for 8 channels; junction box with SMPS required for 16 & 24 channels.
7. Communication:
– Communication Port: Isolated RS-485 communication with MODBUS RTU protocol.
– Settings: Baud rate (9.6, 19.2), Parity (O/E/N), Stop bits (1/2), Number of Slave IDs (1-250).
8. Error Monitoring:
– ERR indication for OPEN/OVER range of slave devices.
– BREK indication for cable breaks, read errors, or improper communication settings.
9. Relay:
– 3 Nos. SPDT Relay with rating for NO CONTACT (10A 250VAC/5A 30VDC) and NC CONTACT (3A 125VAC/3A 30VDC).
– Relay 1 for Alarm 1, Relay 2 for Alarm 2, and Relay 3 for Fault.
10. Programmable Parameters:
– Set Point: 2 Nos. AL1, AL2 user-settable in the device and configurable through Modbus Protocol.
– Settings: 3 keys on the front panel with password protection.
– Logic: LOW-LOW, HIGH-HIGH, LOW-HIGH user-settable.
11. Weatherproof Housing:
– Cabinet Material: ABS Plastic.
– Cable Entry: PG 12 cable gland.
– Mounting: Wall Mounting.
– Dimensions: 182 mm (H) x 214 mm (W) x 81.5 mm (D).
– Weight: Approx. 950 g.
12.  Accessories:
– Weatherproof enclosure for interconnection between detector and multichannel communicator.
– 24VDC operated hooter cum flasher.