DFM-400P Rev 2.1 Installation and Appplication Guide Edition 1.6
Page 3 of 14
Product Specifications
Power Requirements
• 24 VAC
• 2 VA
• Class II
Ambient Ratings
• 32º to 131º F (0º to 55º C)
• 10 to 90% RH (non-condensing)
Communication Ports
NET1 – RS-485 LAN
• BACnet MS/TP Connection Only (LINKnet is not supported)
Autobaud Communications Speed @ 9,600 or 19,200 or 38,400 or 76,800 bps
Maximum of 99 nodes per MS/TP segment (50 without a repeater)
Service Port
• RJ-11 Jack for Delta Service Tool devices such as CON-768BT
Inputs
• 2 Pulse Inputs (PP1 and PP2) @ 0 - 2000 Hz each (or actual maximum of about 1950)
• 2 Pulse Inputs (PP3 and PP4) @ 0 - 200 Hz each
• Monitors either Dry Contact or Open Collector signals
• Jumper selectable DEBOUNCE circuitry for mechanical contacts for pulses less than 200
Hz
Technology
• 8-bit Processor c/w internal A/D, Flash, and RAM
• Software Clock
• Visual LED status indication of the CPU
Device Addressing
• Set via DIP switch, or Software Setup
• DIP switch MAC Address Range: 0 to 99 per network segment
• Software Address Range: As per the BACnet standard
• Supports DNA – Delta’s intuitive addressing scheme
Size
Controller & Enclosure
• 5.4” x 4.2” x 1.9” (13.6 cm x 10.7 cm x 4.9 cm)
Weight including Enclosure
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