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M line M8 102

M line M8 102

Superior Performance and Reliability

The MEx series of I/O expanders is designed for the powerful ME series of controllers, and for the most demanding control applications in the industry. The MEx I/O expanders can be remote mounted or directly mounted on the ME controllers.


 BACnet Support:Conforms to the BACnet Advanced Application Controller (B-AAC) Standard Device as defined in BACnet 135-2001 Annex L.
Brand/ ManufacturerALC
Communication Ports:BACnet® over ARCNET 156 Kbps (or CMnet for backwards compatibility with existing ALC systems). Includes optically isolated communication port and diagnostic port.
BIBB Support:Supports BACnet Interoperability Building Blocks (BIBBs) from the following groups: Data Sharing, Alarm and Event Management, Scheduling, Trending, and Device and Network Management.
Environmental Operating:0o-130oF (-17.8 to 54.4oC), 10-95% RH non-condensing. NOTE: Control modules should be installed within the building.
Digital Output:Relay contacts rated at 3A resistive @ 24VAC. Hand-Off-Auto switches. Normally open-normally closed jumpers. LED indication.
Microprocessor:32-bit Motorola MC68-series microprocessor.
Memory:1MB of Flash memory and 2 MB of non-volatile, battery-backed RAM.
Real-time Clock:Battery-backed realtime clock keeps track of time in event of power failure.
Universal Inputs: 0-5VDC, 4-20mA. Thermistor (BAPI Type II curve).
Input Resolution:12 bit A/D.
Input Pulse Frequency:10 Hz
Listed by:UL916 (Canadian Std C22.2 No.205-M1983), CE, FCC Part 15 – Subpart B
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