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B14 Gas Alarm Module
Brand: Analytical Technology IncATI’s Series B14 Gas Alarm Module Receivers are compact electronic modules that provide local alarm, display, and signal retransmission functions for gas detection systems.
The modules are designed to accept input from either two, three, or four wire 4-20 mA transmitters located up to 10,000 feet from the receiver.
They’re ideally suited for use with ATI’s Series A12 or B12 two-wire toxic gas transmitters, or Model A12-17 or B12-17 three-wire combustible gas transmitter.
B14 Alarm Receivers are DIN rail mounted modules that can be supplied in single or multiple unit enclosures.
Gas concentrations are indicated directly in PPM, PPB, percent, or percent LEL with the display range selectable by the user.
Each module provides separate caution, warning, and alarm setpoints with LED bar indicators of each alarm point.
LED indicators flash on initial alarm condition and change to steady on when the alarm is indicated.
Modules contain individual alarm relays for each alarm setpoint.
However, each relay can be assigned to any setpoint to allow multiple alarm functions at a single alarm point.
Relays are configurable for either standard or fail-safe operation and for either latching or non-latching operation.
A fourth LED alarm bar and relay are provided to indicate trouble conditions.
The trouble alarm and relay will activate on loss of input signal or if the 4-20 mA input drops below a specific value.
Features- Wide range of gases available from sensor list
- Loop-powered 4–20 mA, 675 ohms maximum at 24 VDC
- 12–30 VDC
- Explosion-proof enclosure optional, Class 1, Div., 1, Groups B, C, & D
- Zero and span potentiometers mounted on transmitter circuit board
- Operating temperature between -30° to +55°C (except oxygen, which is -10° to +55°C)
- Sensor Pressure Limits: 7–30 PSIA (0.5–2 Bar)
- Optional 3-Digit LCD
Specifications
Concentration Display
- 4-digit LED, Programmable Range
Input
- 2, 3 or 4-wire 4-20 mA Transmitter
Output
- Isolated 4-20 mA, 1000 ohms Max. Load
Power
- 12-28 Vdc, 400 mA Max.
Concentration Alarms
- Three Adjustable Concentration Alarms.
- Setpoints Adjustable from 5-100 % of Span.
Alarm Indicators
- LED Bars for Caution, Warning, & Alarm
Indicator Function
- Alarm Indicator Latching
- Caution and Warning Indicator Non-Latching
Alarm Relays
- Alarms Assignable to Any One of 3 Programmable Setpoints
- 3 Assignable Relays, 7 A, 120 Vac (4 A, 220 Vac) Resistive
Relay Function
- Configurable for Normal/Fail-safe
- Latching/Non-Latching
- 2/second/10 second delay, or external horn function
Trouble Function
- Front Panel LED Bar Indicator and SPDT, 7 A Relay
- Factory Set for Fail-Safe Operation
Alarm & Relay Reset
- Activated from Front Panel Switch or Through Remote Reset Switch.
External Reset
- Input Terminals Provided for Unpowered Contact Input
Gas Indicator
- LED Bar on Front Panel with Gas Symbol Overlay
Electrical Connections
- Quick Disconnect Pluggable Terminal Blocks
Module Enclosure
- Noryl
Module Mounting
- Mounts to 35 x 7.5 mm DIN Rail
Size
- 2.8" W x 3.6" L 2.3" D (70 mm x 90 mm x 58 mm)
Operating Temperature
- -40° to + 55° C
Humidity
- 0-99 % RH, Non-Condensing