Model PT2008-SS - Multi-Channel Gas Monitor Brochure

ISO9001:2000 Certified Gas Detection Technology http://www.pem-tech.com Email sales@pem-tech.com MMooddeell PPTT990000--1122RR GGaass MMoonniittoorr Features • Addressable Control modules • Discrete 4-20mA output • Three (3) Programmable alarm relays Description Model PT900-12R is a standard 19” rack assembly with up to 12 control modules to serve as a gas monitor and controller for Pem-Tech’s remote mounted gas sensors. The modular designed 12 channel gas monitor is rated Nema 1 for safe area use. The control modules provide digital display, discrete 4-20mA analog output and programmable alarm relay contacts. The low power RISC based microprocessor allows all the alarm levels and control module address programmed via switches on the front panel. The bright LED display indicates the gas concentration. Also features amber and red LED indicators for alarm status. One of the safety features is a flashing digital display when the control module is in alarm bypass mode. The flashing display is an indication to the personnel in the control room about the alarm bypass status. Each control module has RS-485 MODBUS RTU serial communication compatible with PLC’s, SCADA, and DCS systems. The module provides complete status like current gas concentration, sensor calibration and current alarm status. The alarm levels can also be accessed and programmed via MODBUS. • RS-485 MODBUS® RTU Serial Link • PLC and SCADA Compatibility • Alarm Status LED Indicators Pem-Tech, Inc. 12144 Dairy Ashford, Bldng # 2 ? Sugar Land, Texas 77478 ? USA Ph: 281-494-2079 Fax: 281-494-2167 www.pem-tech.com Email: sales@pem-tech.com Model PT900-12R Gas Monitor Specifications Power Consumption Per channel 160mA @ 24 VDC including gas sensor and control module Alarm Relays Low, High & High-High alarm relays. Fully programmable zero to full scale range. Latching or non-latching Relay Ratings SPDT Form “C” type Relay contacts 5 Amps @ 250 VAC or 30 VDC Auxiliary Alarm Relay Assembly (Optional) Four (4) each alarm relay contacts Each relay rated 10Amps @ 125 VAC / 28 VDC Analog Output Discrete 4-20mA (300 Ohms max. load) 2.0 mA - When sensor in Calibration mode < 1.0 mA - Sensor malfunction Peripheral & Interface • RS-485 MODBUS® RTU Compatible with PLC’s, SCADA and DCS systems. • Annunciator model PT750 for remote readout Electrical Classification Nema 1 Panel Mount. Standard 3U – 19” rack-mount Capacity 12 Channel / PT900 Series Control Modules Front Panel Indicators • 2 Bright LED digital display • 4 each Alarm LED Indicators: Amber for Low Alarm Red for High, High-High and fault • Flashing digital display if module in alarm bypass mode. Test & Safety Features Displays programmed alarm levels with flashing alarm LED indicators upon unit power up to check system integrity Operating Temperature -40°F to +158°F (-40°C to +70°C) Operating Humidity 5% to 100% RH, non-condensing Mechanical Specifications Height: 5 ¼ inches (133 mm) Width: 19 inches (483 mm) Depth: 11 inches (279 mm) Approvals Enclosure: CSA & UL Control Modules: ABS Type approved ABS Rules: 1-1-4/3.7, 4-8-3/tbl 2