Delta DAC-633 User manual

NSTALLATION

UIDE

UL 864 DAC-633 Installation Guide

Document Edition 1.5

Updated November 17, 2015

Document Edition 1.5

Product Description

The DAC-633 Delta Application Controller is a Native BACnet

Application Controller that communicates on an RS-485 LAN

using the MS/TP BACnet protocol. The controller is designed

for a wide range of applications with small local I/O

requirements. Both firmware and controller databases are

loadable over the network.

With 6 inputs, 3 analog outputs and 3 binary triac outputs, the

DAC-633 is suitable for controlling various packaged units and

other equipment with small I/O requirements. As the controller

is completely programmable, GCL programs and BACnet

objects can be tailored to the specific application.

Important Information

ORCAview OWS and controller firmware must all be of the same version number to be

compatible. When upgrading any of these products from older versions (i.e. 3.22 or 3.30), you

must upgrade all the remaining products. Exception: UL 864 model, DAC-633-UL864 can be

used with V3.33 and V3.40 firmware.

Package Contents

Product: DAC-633 (Rev. 3.2)

DAC-633 (Rev. 3.2) Installation Guide

Related Documents

Delta Controls Wiring Guidelines

ORCAview Operator Guide

ORCAview Technical Reference Manual

Release Notes for related Firmware

Delta Controls

Page 2 of 12

UL864 Specific Considerations

Wiring to and from the device shall be through power-limited circuits.

Use only Core Components transformer, Model No. 120-024-100-2TF-CB, by Lectro

Components Inc. to power the device. (Delta Part # 440008)

Use only UL Listed Class 2 Power Supplies for auxiliary field devices.

Use only UL Recognized Ethernet Switch, 571-580, by Siemens for Smoke Control Systems

that utilize Ethernet communications.

Impedance value for which ground faults are detected is zero ohms.

Cautions or Warnings

This controller is an Electro-statically sensitive device. Proper ESD protection (ground strap)

should be used 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 followed as

specified.

Installations requiring CE conformance: All wiring for CE rated products must use an extra

low voltage (SELV) or protective extra low voltage (PELV) transformer. Use safety-isolating

transformers, (Class II transformer) per EN61558. The transformer must be rated for 100%

duty cycle.

Document Edition 1.5

Page 3 of 12

Mounting

The DAC-633 includes a plastic enclosure that can be quickly mounted with two screws (not provided). This

controller should be mounted in an appropriate location within packaged equipment or another enclosure that

meets code requirements.

Delta Controls

Page 4 of 12

Board Layout

Document Edition 1.5

Page 5 of 12

Controller Configuration

Derived Network Addressing

The DNA jumper comes ON by default. This allows the controller to

automatically configure a BACnet controller address. This should NOT be

removed unless you are assigning a BACnet controller number through

software. The BACnet controller number should not be confused with the DIP

switch setting, and each controller must still have a unique dip switch address

even when using software to define the controller number.

DNA

Controller Addressing

The Dip Switch is a binary switch. Each individual DIP switch represents a

unique value, which forms the controller address when added together.

To set the address, simply move the switches that add up to the controllers

desired address to the ON position.

Example: If the controller is to be address 5 on the network, set the switch

numbered 4 and the switch numbered 1 (equals 5) to the On position.

Note: Each controller on the same MS/TP segment must have a unique DIP

switch address.

Delta Controls

Page 6 of 12

Wiring General

All wiring must conform to NEC and local codes and regulations. Use earth ground isolating step-down Class 2

transformers. Do not use autotransformers. Determine supply transformer rating by summing total VA of product

and output loads.

Risk of Electric Shock or Fire

More than one disconnect switch may be required to de-energize the

equipment before servicing.

Input Class 2 Power Supplies are interconnected. Use only Class 2

sources suitable for interconnections.

All terminals are acceptable for Class 2 Circuit connections only

Use copper conductors only

Apply minimum 6.0 lb-in torque for tightening field wires into the terminal

blocks

Power

This product is designed to use a 24 VAC, Class 2 power supply. The proper specified cabling must be used.

(18 – 16 AWG, 2-conductor wire)

A single transformer may be used to power multiple controllers and/or auxiliary field devices (actuators, etc.)

provided the following conditions are met:

All devices MUST be ½ wave rectified. Mixing power between ½ 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.

Polarity is observed between controllers (with respect to 24~ and Gnd).

Each controller is grounded as shown in the diagram below. This is important to protect equipment and

ensure a common ground reference for RS-485 communications.

The transformer secondary is fused for its maximum rated load (4A max for Class 2 circuits).

Make sure to ground the controller using the ground lug that is available on the

controller.

Document Edition 1.5

Page 7 of 12

Network Communication

The controller communicates on an RS-485 LAN using the BACnet MS/TP protocol. Refer to Delta Controls

Wiring Guidelines for further details.

MS/TP (RS-485) Wiring

For detailed information on MS/TP and LINKnet wiring refer to Delta Controls Wiring Guidelines.

The proper specified cabling must be used to ensure reliable communications. (22 AWG twisted

pair, 100-120 ohms impedance, 17 pF/ft or lower capacitance, with a braided or aluminum foil

shield.)

Controllers should always be wired together in a daisy-chain fashion. Attempting to connect them

using a starred or bus configuration will cause problems on the network.

Networks with a total length greater than 4000 ft or with more than 50 controllers require a

repeater (RPT-768).

LINKnet networks that have only 1-2 controllers, and have less then 100 ft of cable length do not

require network terminators.

Delta Controls

Page 8 of 12

Input and Output Wiring

Inputs and outputs on the DAC-633 controller follow the same general wiring requirements as other Delta

Controls products. Recommended cable types should be used as listed below. Refer to the Delta Controls

Wiring Guidelines for more details.

Recommended Cable Type

Where to Use

2 Conductor, 18 AWG, Unshielded

All output types and 4-20mA, 10KΩ, and 10V input types

2 Conductor, 22 AWG, Shielded

Inputs configured for 5V

Input Configuration

The input must be configured to accept the signal used by

the input device. Place the jumper for each input in the

correct location on the Input Type Selector Block. The

diagram to the right shows the factory default selection of

10 KΩ.

4-20mA For sensors that use a 4 to 20 mA signal.

10K For 10 KΩThermistor temperature

sensors, as well as Dry Contact binary

inputs.

5V For sensors that use a 0 - 5 VDC signal.

10V For sensors that use a 0 -10 VDC signal.

Binary Output Power Source

The binary triac outputs can be selected to use either an

internal or external power source by placing the two

jumpers in the correct locations. The diagram to the left

shows the factory default selection of External Power

Source.

Internal - 24 VAC Power is provided internally from within

the board right to the output terminals. No external

transformer is required. The associated triac outputs are

“hot” contacts. Note that the power supply should be sized

appropriately to handle the additional loading.

External - Power needs to be provided externally to the

board from a nearby transformer appropriately connected

to the output wiring. The associated triac outputs are not

“hot” contacts, except by means of the external

transformer.

NOTE - Triacs are solid-state components that are only

appropriate for switching 24 VAC. They cannot be used to

switch 24 VDC. They also have a small leakage current

and are not appropriate for “dry contact” applications.

INTERNAL

EXTERNAL

Document Edition 1.5

Page 9 of 12

Indicators

LED

Function

Description

Power Controller Power

Indicator This yellow LED turns on to indicate that the controller has power

applied.

Scan CPU Scan Indicator This red LED flashes at a rate relative to the CPU scan rate.

Network

(NET1) MS/TP (RS485)

Communication

Status Indicators

The green LED flashes to indicate when the controller is

transmitting out the port, and the red LED flashes to indicate when

the controller is receiving data through the port. If communication

is good, both LEDs will flash at a high rate.

Network

(NET2) MS/TP (RS485)

Communication

Status Indicators

The green LED flashes to indicate when the controller is

transmitting out the port, and the red LED flashes to indicate when

the controller is receiving data through the port. If communication

is good, both LEDs will flash at a high rate.

Outputs

(OP1 – OP6) Output Status

Indicators A tri-color LED is used. Under automatic control, the

corresponding output LED is green and is on or off to match the

status of an associated binary output. The LED will also vary in

intensity relative to the output signal for an analog output.

Delta Controls

Page 10 of 12

Product Specifications

Power Requirements 24 VAC, Class 2, 60Hz

Power Consumption 12 VA

48 VA max (with fully loaded Binary Outputs (Triacs))

Ambient Ratings 32° to 131°F (0° to 55°C), 10 to 90% RH (non condensing)

Communication Ports

NET1 BACnet MS/TP (RS-485)

Communication: 9600, 19200, 38400, 76800 bps (Default)

Maximum of 99 controllers

NET2 LINKnet

Communication: 76800 bps

Maximum of 6 LINKnet controllers including up to two DFM

controllers

Service

Port RJ-11 Jack

Used with Delta Controls service tool devices (for example,

CON-768)

Inputs 6 Universal Inputs (10 bit), jumper configurable for the following input

types:

0-5 VDC

0-10 VDC

10 KΩThermistor

Dry Contact (using 10 KΩThermistor jumper setting

4-20 mA

Outputs 3 Analog Outputs c/w LED status indication

0-10 VDC @ 20mA maximum per output

Software configurable as binary or analog

3 Binary Triac Outputs c/w LED status indication

Switching 2[email protected] Amp maximum per output

Leakage Current per Triac is 160 µA

Technology 32 bit processor

1 MB (8 megabit) Flash Memory

256 KB SRAM memory

Listings UL 916 Listed

BTL Listed

UL 864 Listed (DAC-633-UL864 model only)

Compliance CE

FCC

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