Table of Contents
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Table of Contents
Summary of Contents for Delta Controls DZNR-768
- Page 1 DZNR-768 Installation Guide Edition 1.5...
- Page 2 Information in this document is subject to change without notice and does not represent a commitment to past versions of this document on the part of Delta Controls Inc. Delta Controls Inc. may make improvements and/or changes to this document /the associated software/or associated hardware at any time.
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Page 3: Table Of Contents
Example network layout diagram ..................15 MS/TP 2 WIRE segment ......................16 Shield continuity and termination ..................16 MS/TP RJ-45 segment ......................17 Segment length calculation ....................17 DZNR-768 Revision 1.2 Installation Guide Page 3 of 28 Document Edition 1.5... - Page 4 Recommended diagnostic procedure ..................20 Advanced diagnostics ......................22 Segment lockout ........................ 22 Troubleshoot complex communications problems ............22 Product specifications ......................24 Document revision history ....................... 27 Page 4 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5...
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Page 5: Product Description
BACnet RS-485 MS/TP network and improves the signal quality on the network. The DZNR-768 divides a network into four segments allowing a maximum of 64 devices per segment and a total of 99 devices per network. -
Page 6: Package Contents
Package contents Product: DZNR-768, Rev. 1.2 • Related documents Delta Controls Wiring and Installation Guidelines • Cautions or warnings This controller is an Electro-statically sensitive device. Proper ESD protection such as a ground strap is required when installing this product so that damage to the product does not occur. -
Page 7: Mounting
Mounting The DZNR-768 includes a plastic enclosure that can be mounted quickly with two screws or snapped into 35mm DIN rail. Mount the DZNR in an appropriate location near the system controller in an enclosure that meets code requirements. Dimension... -
Page 8: Board Layout
Do not wire both MS/TP 2 WIRE and MS/TP RJ-45 wiring styles on the same segment. Only the MS/TP 2 WIRE or MS/TP RJ-45 may be used on one segment. Page 8 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... -
Page 9: Repeater Configuration
1. If no device is connected to Segment 1, then the DZNR sets its baud rate to 76800. The LED adjacent to the detected speed is illuminated. DZNR-768 Revision 1.2 Installation Guide Page 9 of 28... -
Page 10: Data Wires Termination Jumper
For MS/TP RJ-45, remove the jumper for the segment or set it to the non- TERM position. Devices that use MS/TP RJ-45 networking include built-in distributed termination components. Page 10 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... -
Page 11: Wiring General
VA of product. Risk of Electric Shock or Fire Use Class 2 Circuit connections only for all terminals Use only 12-22 AWG copper conductors, rated 149 F (65 ° ° DZNR-768 Revision 1.2 Installation Guide Page 11 of 28 Document Edition 1.5... -
Page 12: Power And Grounding
Power and grounding Power and grounding The DZNR-768 uses a 24VAC Class 2 power supply. One transformer may be used to independently supply power to the DZNR. Alternatively, you can share one transformer to power the DZNR, additional controllers and/or auxiliary field devices such as sensors and actuators. - Page 13 42.4 V peak, 100 VA. Be sure that the transformer polarity is consistent across all controllers sharing a common transformer. Refer to the Delta Controls Wiring and Installation Guidelines document for additional information and wiring options. DZNR-768 Revision 1.2 Installation Guide Page 13 of 28 Document Edition 1.5...
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Page 14: Network Layout
No more than 64 controllers can be connected to any one segment and no more than 99 total controllers are recommended per DZNR. Wiring and data wires termination must conform to the recommendations in Delta Controls Installation and Wiring Guidelines for wire length, shielding and grounding for each wiring segment. -
Page 15: Example Network Layout Diagram
End of Line Loopback CAT5 branch using ADP45-MSTP-Y adapter ADP45-MSTP-EOL End of Line Loopback Add one two-wire RS-485 device using ADP45-MSTP-TB-Y adapter Short two-wire RS-485 wire included with adapter DZNR-768 Revision 1.2 Installation Guide Page 15 of 28 Document Edition 1.5... -
Page 16: Ms/Tp 2 Wire Segment
MS/TP 2 WIRE segment When using a MS/TP 2 WIRE port for twisted pair wiring, follow the wiring conventions described in the Delta Controls Wiring and installation Guidelines document. The guidelines include the following cable specifications: 22-24 AWG twisted pair •... -
Page 17: Ms/Tp Rj-45 Segment
MS/TP RJ-45 segment Each of the four ports of the DZNR-768 has an RJ-45 jack that allows use of straight-through unshielded twisted pair (UTP) Cat5 or higher (Cat5e, Cat6, etc.) cables. For this type of wiring configuration, Delta provides the ADP45-MSTP accessory adapters that allow you to split the segment, provide end-of-line loopback, convert between types of wiring media and temporarily bypass missing or defective controllers. -
Page 18: Dznr Label
CLASS 2, 7VA MS/TP MS/TP MS/TP MS/TP SELECTORS 2 WLRE 2 WLRE 2 WLRE 2 WLRE MS/TP MS/TP MS/TP MS/TP RJ-45 RJ-45 RJ-45 RJ-45 <-OR-> <-OR-> <-OR-> <-OR-> Page 18 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... -
Page 19: Status Indicators
For Device IDs greater than 99, visual indication is limited to whether the device is present (LED on) or not (LED off). It does not attempt to identify any of the same diagnostic conditions as for devices 0 to 99. DZNR-768 Revision 1.2 Installation Guide Page 19 of 28 Document Edition 1.5... -
Page 20: Diagnostics And Troubleshooting
The following table describes the most common network problems and their associated LED indications. Note the condition of the normal network. The goal of any troubleshooting exercise is to restore the network is to its normal level of functionality. Page 20 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... - Page 21 The firmware has stopped communications. Failure of the device electronics. Duplicate address on Device ID is mistakenly different segments. assigned to the same ID on another device on a different segment. DZNR-768 Revision 1.2 Installation Guide Page 21 of 28 Document Edition 1.5...
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Page 22: Advanced Diagnostics
Once it is identified, the problem segment can be further subdivided and tested with the DZNR until the exact failure is isolated and the DZNR verifies that communications have been fully restored. Page 22 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... - Page 23 If the DZNR shows network instability and/or frequently locks out, do not attempt a flash upgrade to any devices on the network. The flash load could fail and the device will require factory service. DZNR-768 Revision 1.2 Installation Guide Page 23 of 28 Document Edition 1.5...
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Page 24: Product Specifications
BACnet MS/TP (RS-485) Communication: 9600, 19200, 38400, 76800 bps (Default) Maximum of 64 controllers Cat5 or twisted pair connectors Listings UL 916 Listed Compliance Technology 32-bit, factory programmed Page 24 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5... - Page 25 Level A/A/B Supplementary Information The product(s) herewith comply with the requirements of the EMC Directive 89/336/EEC. The product(s) were tested in a typical configuration. Lee Dickson Quality Assurance Manager DZNR-768 Revision 1.2 Installation Guide Page 25 of 28 Document Edition 1.5...
- Page 26 Règlement sur le matérial brouiller du Canada. This product conforms to the following UL requirements: UL916: Energy Management Equipment UL 60950-1: Information Technology Equipment – Safety – Part 1 Page 26 of 28 DZNR-768 Revision 1.2 Installation Guide Document Edition 1.5...
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Page 27: Document Revision History
2 power sources. Also added the specs of the copper conductor. December 2016 N. Ghazali Added a paragraph about selecting an external power supply for the DZNR-768. DZNR-768 Revision 1.2 Installation Guide Page 27 of 28 Document Edition 1.5... - Page 28 www.deltacontrols.com...
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