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Delta Controls DZNR-768, Installation Manual

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Delta Controls DZNR-768 Installation Manual Download Page 11

 

DZNR-768 Revision 1.2 Installation Guide 

Page 11 of 28 

Document Edition 1.5 

Wiring general 

All wiring must conform to NEC, local codes and regulations. Earth ground isolating step-down 
Class 2 transformers are required. Do not use autotransformers. Determine the supply 
transformer rating by total 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

°

C). 

Summary of Contents for DZNR-768

Page 1: ...DZNR 768 Installation Guide Edition 1 5...

Page 2: ...of Delta Controls Inc products Delta Partners may print PDF documents for their own internal use or for use by their customers Authorized Delta Partners may produce copies of released PDF documents wi...

Page 3: ...out 8 Repeater configuration 9 Baud rate jumper 9 Fixed baud rate selection 9 Auto baud rate selection 9 Data wires termination jumper 10 MS TP 2 WIRE termination 10 MS TP RJ 45 termination 10 Wiring...

Page 4: ...5 DZNR label 18 Status indicators 19 Diagnostics and troubleshooting 20 DZNR power up sequence 20 Recommended diagnostic procedure 20 Advanced diagnostics 22 Segment lockout 22 Troubleshoot complex c...

Page 5: ...tal of 99 devices per network Each segment can accommodate either the quick connect MS TP RJ 45 cabling used on the DZNT VAV product or standard MS TP 2 WIRE cabling The DZNR 768 continuously monitors...

Page 6: ...ESD protection such as a ground strap is required when installing this product so that damage to the product does not occur Equipment damage or loss of data may occur if these procedures are not foll...

Page 7: ...re 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 D C E A B...

Page 8: ...28 DZNR 768 Revision 1 2 Installation Guide Document Edition 1 5 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...

Page 9: ...ing may be used The same baud rate must be used for all network segments If multiple jumpers are in place or no jumper is in place the DZNR sets its baud rate to 76800 bps Fixed baud rate selection Pl...

Page 10: ...operation The DZNR provides a built in jumper selectable termination for the data wires of each segment For MS TP 2 WIRE set the jumper for the segment to the TERM position Terminate the data wires at...

Page 11: ...cal codes and regulations Earth ground isolating step down Class 2 transformers are required Do not use autotransformers Determine the supply transformer rating by total VA of product Risk of Electric...

Page 12: ...r between half wave and full wave rectified devices will damage both the transformer and connected equipment The transformer is properly sized including line losses for the total VA requirements Polar...

Page 13: ...roblems may occur Select an external power supply that is certified for safety for the correct destination country and that has an output rating which is considered an NEC Class 2 or Limited Power Sou...

Page 14: ...rts 3 and 4 The Delta MS TP Cat5 or higher Cat5e Cat6 etc cabling technique allows quick error free connections across the controllers on the MS TP segment Applying Delta s ADP45 MSTP family of Cat5 a...

Page 15: ...5 segment Twisted Pair Segment DAC DAC ADP45 MSTP EOL End of Line Loopback DSC NET2 DZNR Twisted Pair Segment To DZNR port 1 CAT5 Segment ADP45 MSTP EOL End of Line Loopback CAT5 branch using ADP45 MS...

Page 16: ...ir 100 120 ohms impedance 17 pF ft or lower capacitance Braided or aluminum foil shield Wire the controllers on the segment in a daisy chain fashion Attempting to connect them using a starred or bus c...

Page 17: ...a MS TP RJ 45 network segment must not exceed 2000 ft 610 m Segment length is determined by the sum of all cable lengths including runs between ADP45 MSTP adapters controllers and sensors The followin...

Page 18: ...f the LEDs against the network layout on the label See Diagnostics and troubleshooting for a description of the illumination patterns for these LEDs 5V 10V 4 20mA 10k 4 20mA 10k 5V 10V 4 20mA 10k 5V 1...

Page 19: ...iving information on associated RS 485 segment Red LED blinks quickly in a regular pattern ERR MS TP segments 1 4 Status of associated RS 485 segment This is a tri color LED If color is a steady green...

Page 20: ...device fails to communicate during the initialization period it will not be recognized by the DZNR and its LED remains off However any missing device can be checked against the label as to ascertain...

Page 21: ...A fault specific to a single device is displayed by a flashing of that particular device LED No power at the device Improperly terminated or open network connection at the device Device ID has been ch...

Page 22: ...NR releases the port to see if the errors clear If the problem persists the DZNR initiates another segment lockout Troubleshoot complex communications problems To troubleshoot complex communications p...

Page 23: ...ommunicating at the same time A group of devices using the same power source are not sharing a common ground Segment communications is being blocked by the DZNR DZNR is attempting to correct a segment...

Page 24: ...on 9600 19200 38400 76800 bps Default Default port for the system or application controller Maximum of 64 controllers Cat5 or twisted pair connectors Port 2 BACnet MS TP RS 485 Communication 9600 1920...

Page 25: ...e tested in a typical configuration Lee Dickson Quality Assurance Manager EN 61000 6 3 2006 Light Industrial Residential Emission Requirements EN 55022 2005 A1 2005 A2 2006 Radiated and Conducted Emis...

Page 26: ...sed in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which...

Page 27: ...et updated image change max controllers from 50 to 64 1 3 April 2014 J Halliday Updated layout drawing page 8 and label drawing page 18 to correct text 1 4 June 2015 N Ghazali Updated the Wiring secti...

Page 28: ...www deltacontrols com...

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