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General| Brand | Delta |
|---|---|
| Model | DFM-400P |
| Category | Control Unit |
| Language | English |
Details on the electrical power needs, including voltage, VA, and class.
Specifies the acceptable operating temperature and humidity ranges.
Details on the NET1 RS-485 LAN, autobaud speeds, and service port.
Describes the four pulse inputs, their frequency ranges, and monitoring capabilities.
Information about the processor, clock, and status indicators.
Methods for setting the device address via DIP switch or software.
Physical dimensions of the controller and enclosure.
The weight of the unit including its enclosure.
Description of the amber/red LED indicating power status.
Description of the red LED indicating CPU integrity.
Description of the green/red LEDs for network communication status.
Enables or disables debounce circuitry for mechanical contacts.
Confirms the module is fixed for BACnet MS/TP only, not LINKnet.
Device inherits address portions from higher-up devices.
Device uses default numbers; useful for multi-vendor installations.
Recommended specifications for BACnet MS/TP twisted shielded pair cable.
Ensures cable is installed as a daisy-chain for BACnet MS/TP networks.
Defines the maximum number of devices per MS/TP network segment.
Requirement for termination boards at each end of MS/TP network segments.
When a repeater (RPT-768) is necessary for network extension or node count.
Modules must reside on the MS/TP network at the Subnet level.
Not applicable for DFM-400P; it connects only via BACnet RS-485 MS/TP.
Details on character limits for Device, Pulse Input, and AV object names.
Notes on Description Tab, Pulse Duration, and COV support for PI objects.
AV objects map to PI properties for multi-vendor integration and COV support.
Explains the module's on-board software clock and time synchronization.
Details on the two sets of counting registers, counter types, and max rates.
Guidance on pulse rate, sample interval, and preventing overflows.
Resets counting properties to 0, including total pulses.
Resets other properties to 0 when the sample interval changes.
All predefined DFM-400P objects are accessible over the MS/TP network.
Writing GCL programs to use pulsed input values for control strategies.
Warning about ESD sensitivity and the need for proper protection.
Details on FCC compliance for Class A digital devices and potential interference.
Statement regarding Class A digital apparatus meeting Canadian regulations.
Product conformity to UL requirements, including safety precautions.
Manufacturer's name and address.
Product name and model numbers.
Conformity to Generic Emission and Immunity Standards (EN50081, EN50082).
Product compliance with EMC Directive and testing configuration.
