Model DA-33 -Wireless Ethernet Gateway Monitoring Station
The DA-33 Monitoring Station is part of CIMTechniques` DA family of eLink remote data acquisition controllers for the CIMScan® monitoring system. Units are available for either the 902-928 MHZ or 2.4 GHz ISM bands and can manage up to fifty (50) 2-channel wireless sensors or up to sixteen (16)8 channel devices).
The DA-33 comfortably produces 40-158 mW (900 MHz) and 10-100 mW (2.4 GHz) lo punch through the worst interference. If the interference persists, the DA-33 just steps around it. using the same Frequency Hopping Spread Spectrum (FHSS) technology that is built into all CO wireless sensors.
Systems inside buildings, especially metal warehouses, suffer from a phenomenon called multipath fading. This results when two or more reflected rays from a transmitted signal arrive at the receiving antenna with opposing phases, thereby partially or completely canceling the signal. Since FHSS is constantly switching the operating frequencies, the propagation characteristics change and the effects of multipath lading are significantly reduced.
The DA-33 communicates with the CIMScan server computer using the standard TCP/IP protocol overa LocalArea Network (LAN) or the Internet. The unit has the ability to buffer up to 12,000 measurements if a LAN fault occurs, or if the server fails for any reason. These measurements are automatically forwarded to the server when communications are restored.
The DA-33 can drive any of the standard PA line of alarm indicators through the built-in RS-485 communications port.
The DA-33 calculates the following statistics for every input channel and forwards them to the server at the end of every hour.
- Maximum detected during the hour
- Minimum detected dunng the hour
- Average over the hour (arithmetic mean)
- Aspecial calculation
The special calculation is normally the Standard Deviation over the hour, but the unit can be configured to calculate the Mean Kinetic Temperature (MKT).
Every sensor channel can be field calibrated (scale and offset values provided). A convenient calibration dialog is available in the service tool program.
- Manages up to 50 Wireless Devices with up to 2 channels each or up to 16 devices with 8 channels
- Automatically calculates statistics (max, min, average) plus a special calculation for each input channel
- Buffers up to 12,000 measurements during LAN or server outages
- Handles local alarm processing during LAN or server faults.
- Communicates with the server over a LAN or the Internet using TCP/IP
- Operates from a simple receptacle mounted power supply (included)