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ACM 150
Data interface, Remote computers
Capabilities
The ACM 150 monitor operates and performs all of its functions as a stand-
alone monitor. While it is not necessary to connect it to a remote computer, it
is recommended. The remote computer can access all data, operations, setup
selections and most of the test functions.
Interface
You can connect a remote computer to the ACM 150 monitor via the internet or local
network. Authorized employees can then access the ACM 150 monitor from remote
locations. If a local network is used, you may connect as many remote computers as
you need to one or more ACM 150 monitors.
Sending stored spectra
The ACM 150 monitor saves the infrared spectra of its area scans. The remote
computer can send the saved spectra to Honeywell Analytics via e-mail. These
spectra provide a "fingerprint" of the air samples. They are often used to verify alarm
incidents, and they can help identify unknown odors with the aid of spectral search
software. Interpreting spectra, and using FTIR lab software and spectral search
libraries requires special training. Honeywell Analytics application chemists are
experts in this field and offer this service to their customers.
Networks
Direct questions concerning network interfacing to your Honeywell Analytics
representative.
Interfacing to a PLC
Combining Relay Outputs and Remote Computer
If you are connecting the ACM 150 monitor to a PLC (Programmable Logic
Controller) you can connect the relay outputs and/or the network. Many users
connect only the relay outputs to the PLC so that ACM 150 monitor incidents trigger
the desired control functions at the PLC automatically. They use a remote computer
to access the monitoring data associated with the incidents.
Gas concentration data
Some users prefer to send gas concentration data to the PLC and use the PLC to
read the data generated by incidents. This data may be sent via a network interface.
Ethernet interface
The ACM 150 monitor is designed to connect to a PLC via gateways. The ACM 150
monitor has an Ethernet interface and an OPC driver is available as an option. If you
use this interface, all data is available to the PLC, i.e. the concentrations of all gases
monitored on all ports.
Gateway Interface
The ACM 150 monitor can provide an optional built-in programmable gateway that
can communicate with several different data protocols including many used in
popular PLCs. Ask your Honeywell Analytics representative for information regarding
your application.
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