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Kieback&Peter · Automation station · BACnet
DDC4020e
DDC4020e is a DIN-rail DDC4000e automation station with no on-board I/O, BACnet, a web server and room for fieldbus and cabinet bus modules, for four air handling loops.
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Part numberDDC4020e
Datasheet, PDF
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- DHL, under 15 kg £13.50 ex VAT
- Technical support from the people who commission it
Specification
Communication
- Protocol
- BACnet/IP and BACnet MS/TP (B-BC)
- Interface
- 2 x Ethernet RJ45 (switch); 2 CAN (fieldbus 2000 m, 20 kBd or cabinet bus 200 m, 40 kBd); RS485 BACnet MS/TP; RS232; USB
Electrical
- Power supply
- 24 V AC ±10% 20 VA, or 24 V DC ±10% 13 W, or 12 V DC ±10% 13 W
Environment
- Operating temperature
- 0 to 55 °C
- Humidity
- 20 to 80 % r.h., non-condensing in operation
- Protection
- IP20 IP rating
Physical
- Mounting
- TH 35-7.5 top hat rail in a cabinet
- Dimensions
- 143.3 x 90 x 60 mm
- Weight
- 0.26 kg
From the manufacturer's datasheet for DDC4020e.
Overview
The DDC4020e is a base station in the DDC4000e family for mounting on a DIN rail in the cabinet. It has no built-in inputs or outputs: all I/O comes from bus modules on its two CAN buses, which can each be set as a cabinet bus or a fieldbus. It is specified for four air handling systems or eight heating circuits, with a plain-text, object-based configuration and a web server for operation from a browser. The datasheet allows up to 8 FBM or FBU fieldbus modules plus 8 RBW room units, or up to 4 cabinet bus modules (SBM, BMA or BMD). Communication is native BACnet (BACnet/IP and BACnet MS/TP over RS485, up to 32 devices), with two Ethernet ports acting as a switch, a USB port for updates and backup, and RS232 ports for a modem. A remote TPC070 touch panel can be added for a local display. It has the same loop count as the touchscreen DDC4002e, without the built-in display and I/O. Power is 24 V AC or DC, or 12 V DC, and an internal mini UPS protects data on a mains failure.