Network output variable nvoHgmZoneThresh displays the following information for the zone specified by nviGetZoneThresh:

1.Zone (1-16) whose alarm thresholds are being displayed

2.Leak Alarm Threshold in PPM (0-65535)

3.Spill Alarm Threshold in PPM (0-65535)

4.Evacuate Alarm Threshold in PPM (0-65535)

To change the Leak, Spill, or Evacuate alarm thresholds for a zone, use the nviSetZoneThresh input network variable as described earlier.

Operating Limitations When Using RDM800 Remote Display

When an RDM800 remote display is used, LonWorks will have access to the HGM300 as long as the RDM800 is in either the SYSTEM or ZONE VIEW screen. If the RDM800 is set to display any other screen, it will respond to polls from the LonWorks adapter with an HGM BUSY exception code. The LonWorks adapter will handle the exception by setting all the zone statuses = HGM BUSY. When the RDM800 is returned to the SYSTEM or ZONE VIEW screen, normal LonWorks monitoring will resume.

If the operator leaves the RDM800 in some screen other than SYSTEM or ZONE VIEW for an extended period of time (10 minutes default), the RDM800 times out and automatically returns to either the SYSTEM or ZONE VIEW screen. This will restore normal LonWorks monitoring.

Communications LED Indicators

See Figure 4 for the locations of the communications LED indicators.

The communications adapter board has four LED communications status indicators numbered 1-4. The meanings of these indicators are as follows:

LED 1 ON: Adapter is transmitting a poll/command to the HGM300

LED 2 ON: Adapter is receiving a response from the HGM300

LED 5 ON: Adapter internal communications (response from RCM CPU to Neuron CPU)

LED 6 ON; Adapter internal communications (poll/command from Neuron CPU to RCM CPU)

Under normal conditions, LEDs 5 and 6 will show a burst of alternating blinks about every 8 seconds. This indicates that the two processors internal to the LonWorks adapter are communicating with each other normally. Occasionally LEDs 5 and 6 will blink more frequently if commands (to change alarm thresholds, for example) are coming in from the LonWorks network.

17 of 18

Page 16 Page 18
Page 17
Image 17
Bacharach FT-10 manual Operating Limitations When Using RDM800 Remote Display, Communications LED Indicators
Page 16 Page 18

FT-10 specifications

The Bacharach FT-10 is a state-of-the-art portable gas leak detector designed to monitor the presence of combustible gases, making it an essential tool for professionals in HVAC, refrigeration, and gas utility industries. Recognized for its reliability and accuracy, the FT-10 employs advanced sensor technologies to provide quick and precise measurements of flammable gases.

One of the main features of the FT-10 is its innovative infrared sensor, which allows for the detection of various gas types, including methane, propane, and butane. This technology ensures that the device can identify gas leaks quickly, enhancing safety in residential and commercial environments. The FT-10 features a user-friendly interface, complete with a clear LCD display that provides real-time readings and visual indicators. This makes it easy for technicians to interpret data quickly, even in low visibility situations.

The device is built for durability and portability, weighing just a few pounds and designed to withstand harsh working conditions. Its compact size allows for easy handling, making the FT-10 ideal for fieldwork. Additionally, it is equipped with a robust battery that offers extended operational time, ensuring that professionals can rely on it during critical situations without worrying about frequent recharging.

Another notable characteristic of the FT-10 is its built-in data logging capability. Users can store measurement data for later analysis, which is crucial for documentation and compliance purposes. The device also features customizable alarm settings, providing audible and visual notifications when gas concentrations exceed predetermined safety levels. This feature enhances user safety, allowing immediate action to be taken to mitigate risks.

Moreover, the FT-10 is designed with user comfort in mind. The ergonomic shape fits comfortably in hand, and the controls are strategically placed for easy accessibility during operation.

In conclusion, the Bacharach FT-10 gas leak detector amalgamates advanced sensor technologies, durability, and user-friendly features into one comprehensive package. It stands as a trusted ally for technicians who prioritize safety and efficiency in their work, ensuring they can respond promptly and effectively to gas leak incidents.
Top Page Image Contents