Mircom OpenBAS-HV-NX10, OpenBAS-HV-NX10D, OpenBAS-HV-NX10L, OpenBAS-HV-NX10P Installation Manual

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OpenBAS-HV-NX10 Series

Building Automation Controller and HVAC Automation Solution

Installation Manual

LT-2201 Rev. 4.4 October 2017

1.0 Introduction 7

1.1 OpenBAS-HV-NX10 Series Building Automation Controller .......................................... 7

1.2 Features ......................................................................................................................... 7

2.0 Overview 8

2.1 OpenBAS-HV-NX10 Series Components ...................................................................... 8

3.0 Installation 10

3.1 Parts of the Enclosure .................................................................................................... 10

3.2 Controller Board Connections ........................................................................................ 13

3.3 Installing Accessories .................................................................................................... 13

3.4 Ethernet Controllers (OpenBAS-NWK-ETH3) ................................................................ 17

3.5 DIP Switches .................................................................................................................. 17

3.6 USB ................................................................................................................................ 18

3.7 Reset and Download Buttons ........................................................................................ 18

3.8 Battery ............................................................................................................................ 18

3.9 Enclosure Dimensions ................................................................................................... 19

3.10 Assembly ....................................................................................................................... 20

3.11 Mounting the Enclosure ................................................................................................. 21

4.0 Field Wiring 22

4.1 Wiring the Terminals ...................................................................................................... 22

4.2 Power Supply Connection .............................................................................................. 22

4.3 Universal Inputs ............................................................................................................. 23

4.4 Analog Outputs .............................................................................................................. 31

4.5 Digital Relay Outputs ..................................................................................................... 33

4.6 Field Bus Connections and OpenBAS-ACC-DB9 .......................................................... 36

4.7 Networking ..................................................................................................................... 37

4.8 Connections and LEDs on OpenBAS-HV-HX10D ......................................................... 38

4.9 Circuit Board LEDs ........................................................................................................ 39

5.0 Specifications 40

6.0 Warranty and Warning Information 42

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List of Figures

Figure 1 Parts of the enclosure .................................................................................................... 10

Figure 2 Tabs on enclosure .......................................................................................................... 11

Figure 3 Lift tabs and remove circuit board .................................................................................. 12

Figure 4 Board connections ......................................................................................................... 13

Figure 5 COM ports ...................................................................................................................... 14

Figure 6 Location of factory-installed modules and jumpers ........................................................ 15

Figure 7 The jumper and RS-485 module are removed from P1 ................................................. 15

Figure 8 OpenBAS-ACC-RS232 is installed in P1 ....................................................................... 16

Figure 9 I2C, I2CB, N2, and SPI connections .............................................................................. 17

Figure 10 DIP switches .................................................................................................................. 18

Figure 11 Enclosure (back view) .................................................................................................... 19

Figure 12 Fit the circuit board in enclosure .................................................................................... 20

Figure 13 Enclosure mounted on DIN rail (circuit board not shown) .............................................. 21

Figure 14 Enclosure mounted on DIN rail (back view) ................................................................... 21

Figure 15 Power supply - 24 VAC or 24 VDC ................................................................................ 23

Figure 16 Power supply - 12 VDC .................................................................................................. 23

Figure 17 Universal Inputs ............................................................................................................. 23

Figure 18 Measuring VDC .............................................................................................................. 29

Figure 19 Digital input voltage range .............................................................................................. 30

Figure 20 Analog outputs ............................................................................................................... 32

Figure 21 Relay outputs ................................................................................................................. 33

Figure 22 Field bus connections .................................................................................................... 36

Figure 23 Networking with OpenBAS-NWK-ETH3 with the included cable ................................... 37

Figure 24 Networking with OpenBAS-NWK-ETH3 over RS-458 .................................................... 37

Figure 25 Networking with RS-485 ................................................................................................. 38

Figure 26 Connections and LEDs on the OpenBAS-HV-NX10D ................................................... 38

Figure 27 LEDs .............................................................................................................................. 39

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List of Tables

Table 1 OpenBAS-HV-NX10 Series Controllers ......................................................................... 8

Table 2 OpenBAS-HV-NX10 Series Accessories ....................................................................... 8

Table 3 OpenBAS-HV-NX10 Series Compatible Modules .......................................................... 9

Table 4 Analog Input Wiring ........................................................................................................ 25

Table 5 Wiring a 1000 Ω temperature sensor ............................................................................. 29

Table 6 Digital Input Wiring ......................................................................................................... 31

Table 7 Analog Output Wiring ..................................................................................................... 32

Table 8 Surge Protection on Relay Outputs ............................................................................... 34

Table 9 Field Bus Ports ............................................................................................................... 36

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List of Tables

6 (45)

1.0 Introduction

This document provides information on installing the OpenBAS-HV-NX10 series Building Automation Controller.

1.1 OpenBAS-HV-NX10 Series Building Automation Controller

Mircom’s OpenBAS-HV-NX10 Series building automation controller is an HVAC controller with an integrated PLC (programmable logic controller) and scheduler. It includes 18 hardware

input/output points, 2 RS-485 field bus connections, USB, SPI, and I HV-NX10L and OpenBAS-HV-NX10D models have an operator interface with LCD display and keyboard.

1.2 Features

Mircom’s OpenBAS-HV-NX10 series Building Automation Controller integrates into Mircom’s unified platform for automating HVAC and mechanical rooms as well as incorporating energy management features and lighting control to offer building owners and managers a seamless operation with the following features:

• Modular design to cover any small, medium or large project.

• Industry standard field bus protocols to integrate into any existing BAS system, such as

BACnet, Modbus, Optomux, N2-Open, and ASCII.

C buses. The OpenBAS-

• Advanced Networking to integrate into IP networks and use the most advanced features

and protocols such as distributed computing, USB and Cloud storage, HTML5, JavaScript, XML, Ajax, SMS, and GSM.

• Universal inputs to connect any industry standard sensors.

• Modular add-ons for every Building Automation System solution.

• The OpenBAS software which provides owners and managers a single solution for

managing all their building’s automation needs.

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2.0 Overview

2.1 OpenBAS-HV-NX10 Series Components

2.1.1 Controllers

Table 1 OpenBAS-HV-NX10 Series Controllers

Picture Model Description

HVAC controller

• Integrated programmable logic

OpenBAS-HV-NX10P

OpenBAS-HV-NX10L

controller and scheduler

• 18 hardware input/output points

• 2 RS-485 field bus connections

• USB, SPI and 1²C buses

HVAC controller plus the OpenBASHV-LCD display

• Integrated programmable logic

controller and scheduler

• 18 hardware input/output points

• 2 RS-485 field bus connections

• USB, SPI and 1²C buses

• Operator interface with LCD and

keyboard

HVAC controller plus the OpenBASHV-CORE2 display

• 32 bit dual core processor

• Scheduler and 3 integrated

programmable logic controllers

OpenBAS-HV-NX10D

• 18 hardware input/output points

• 3 RS-485 field bus connections,

• USB, SPI and 1²C buses

• Operator interface with graphical

LCD, keyboard, and secondary USB for data storage

2.1.2 Accessories

Accessories are powered from the controller.

Table 2 OpenBAS-HV-NX10 Series Accessories

Model Description

OpenBAS-ACC-RS485 Optically isolated RS-485 converter

OpenBAS-ACC-RS232 RS-232 converter

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Table 2 OpenBAS-HV-NX10 Series Accessories (Continued)

Model Description

OpenBAS-ACC-DB9 DB9 adapter

OBS-ACC-32K128 128 KB plus 32 KB memory expansion

OpenBAS-ACC-TE1K 1000 Ω resistive silicon temperature sensor

2.1.3 Compatible Modules

Compatible modules are mounted separately from the controller.

Table 3 OpenBAS-HV-NX10 Series Compatible Modules

Model Description

Wireless 433 MHz RF receiver that integrates up to 10

OpenBAS-HV-RF433R

wireless transmitters and thermostats into OpenBAS-HVNX10 series controllers

Mounts in a DIN rail-mounted box

Overview

OpenBAS-NWK-ETH3

Ethernet controller with support for multiple protocols

• 2 field bus connections

• 1 I

C connection

• Mounts in a DIN rail-mounted box

• Powered separately

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3.0 Installation

Circuit board

Base with mounting clip

Enclosure

Cover (OpenBAS-HV-NX10P) or display (OpenBAS-HV-NX10L and HV-NX10D)

Note: Installation of OpenBAS-HV-NX10 series automation controllers should be in

accordance with the Canadian Electrical Code or the National Electrical Code, and comply with all local regulations. Final acceptance is subject to the Local Authority Having Jurisdiction (AHJ).

3.1 Parts of the Enclosure

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Figure 1 Parts of the enclosure

Installation

To remove the circuit board from the enclosure

Caution: Risk of Electric Shock. Disconnect the mains power and disconnect the

controller from all wiring before opening the enclosure.

Attention: Always hold circuit boards by the edges to prevent damage from static

electricity. Always wear an anti-static bracelet when handling circuit boards.

1. On OpenBAS-HV-NX10P, remove the cover. On OpenBAS-HV-NX10L and OpenBASHV-NX10D, remove the 4 screws and then remove the display.

2. Insert a flathead screwdriver under the tabs on the enclosure, shown in Figure 2, in order to lift the tabs and remove the base.

Figure 2 Tabs on enclosure

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Installation

circuit board

3. Hold the circuit board with one hand, and with the other hand lift the tabs so that you can remove the circuit board from the enclosure. See Figure 3.

Lift tabs and remove

Circuit board

Figure 3 Lift tabs and remove circuit board

Attention: Be careful not to break the tabs. Do not apply excessive force.

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3.2 Controller Board Connections

COM1, COM2, COM3

Universal inputs 1-8

Power

Analog

outputs 5-8

outputs 1-4

Connections for communication converters

connection

DIP switches

button

Battery connection

Installation

USB

Connection for memory expansion or wireless receiver

Connection for memory expansion or OpenBAS-HV-LCD (OpenBAS-HV-NX10L only)

Connection for OpenBAS- HV-CORE2 display (OpenBAS-HV-NX10D only)

SPI port for Ethernet controller

Download

outputs 1-2

Figure 4 Board connections

Reset

Relay

3.3 Installing Accessories

Attention: This job must be performed only by a certified technician as dangerous

voltages might be present inside of the enclosure. Always disconnect the power before installing accessories.

3.3.1 Communication Converters (OpenBAS-ACC-RS485, OpenBAS-ACCRS232)

By default, the field bus ports (labeled COM1, COM2 and COM3) are configured as RS-485 through factory-installed modules. They can be changed to RS-232 or optically isolated RS485 by installing the OpenBAS-ACC-RS232 or OpenBAS-ACC-RS485 converters.

The communication converters OpenBAS-ACC-RS485 and OpenBAS-ACC-RS232 attach to the connections labeled P1, P2, and P3 in Figure 5 below. Figure 5 also shows the relationship between the 3 converters and the field bus connections (labeled COM1, COM2, and COM3). P1 controls COM1, P2 controls COM2, and P3 controls COM3.

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Installation

P1 P2 P3

COM1 COM2

COM3

Field bus connections and connection for OpenBAS-ACC-DB9

Connections for OpenBAS-ACC-RS485 and OpenBAS-ACC-RS232

Figure 5 COM ports

For example, if OpenBAS-ACC-RS485 is installed in P1 and OpenBAS-ACC-RS232 is installed in P2, then COM1 functions as optically isolated RS-485, and COM2 functions as RS-

232.

Note: P3 and COM3 are functional only on OpenBAS-HV-NX10D.

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Installation

Jumpers

Factory-installed RS-485 modules

Jumper open

Factory-installed RS-485 module removed

Figure 6 Location of factory-installed modules and jumpers

To install a communication converter

1. Open the jumper.

2. Remove the factory-installed RS-485 module.

Figure 7 The jumper and RS-485 module are removed from P1

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Installation

OpenBAS-ACC-RS232

3. Install the communication converter.

Figure 8 OpenBAS-ACC-RS232 is installed in P1

3.3.2 Memory Expansion Card (OBS-ACC-32K128) and Wireless Receiver (OpenBAS-HV-RF433R)

Connect the memory expansion cards to either one of the two terminals shown in Figure 9. They are labeled I2C and I2CB.

Note: When connecting the I2C ports on 2 devices, make sure to connect pin 1 on the

first device to pin 1 on the second device. Pin 1 is marked by a dot or a “1”.

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Installation

Connection for wireless receiver or memory expansion card

Connection for OpenBAS-HV-LCD or memory expansion card

Connection for OpenBAS-HV-CORE2

I2C

I2CB

SPI port for Ethernet controller

Connect the OpenBAS-HV-RF433R wireless receiver to the port labeled I2C, so that it is accessible when the board is in the enclosure.

Figure 9 I2C, I2CB, N2, and SPI connections

3.3.3 Displays (OpenBAS-HV-LCD and OpenBAS-HV-CORE2)

The OpenBAS-HV-LCD display connects to I2CB, and the OpenBAS-HV-CORE2 display connects to N2 as shown in Figure 9.

3.4 Ethernet Controllers (OpenBAS-NWK-ETH3)

Connect an Ethernet controller to the terminal labeled SPI (shown in Figure 9) with the cable included with the Ethernet controller. See section 4.7 on page 37 for information on networking.

3.5 DIP Switches

The 8 DIP switches (shown in Figure 10) are used with the 8 universal inputs ONLY when the inputs are connected to resistive 1000 Ω temperature sensors.

In all other cases, make sure that the DIP switches are off.

For example, if you are going to connect universal input 1 to a resistive 1000 Ω temperature sensor, turn on DIP switch 1.

The DIP switches are set at the factory in the off position.

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Figure 10 DIP switches

DIP switches

456

Installation

3.6 USB

The full speed USB 2.0 connection is shown in Figure 4. Connect a computer to this port in order to configure the controller.

3.7 Reset and Download Buttons

Press the RESET button to restart the controller.

The DWNLD button is used for loading firmware on to the controller.

Refer to the OpenBAS Programming Manual for information on upgrading controllers.

3.8 Battery

Attention: Caution – The battery used in this device may present a risk of fire or

chemical burn if mistreated. Do no disassemble, heat above 60°C (140°F), or incinerate. Replace battery with FDK Corporation ML2430 batteries only. Use of another battery may present a risk of fire or explosion.

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The battery is used only during power outages for real time clock and data retention. The Mircom part number for the battery is BT-025.

Install the battery before mounting the controller.

To install or replace the battery

3 35/64” (90 mm)

6 9/32” (160 mm)

Mounting clip

Hooks

1. Disconnect the mains power and open the mains breaker.

2. Disconnect all wiring from the unit.

3. Remove the top cover as described on page 21.

4. Disconnect the old battery.

5. Dispose of the used battery promptly. Keep away from children. Do not disassemble and do not dispose of in fire.

6. Connect the new battery to the connection shown in Figure 4. The battery wire can be connected only one way.

3.9 Enclosure Dimensions

Installation

Figure 11 Enclosure (back view)

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3.10 Assembly

Circuit board

To put the circuit board in the enclosure

1. Hold the circuit board with one hand, and with the other hand lift the tabs so that you can fit the circuit board into the enclosure as shown below.

Note: Make sure that the board is the right way up: the terminal labels on the enclosure

must match the terminal labels on the circuit board.

Installation

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Figure 12 Fit the circuit board in enclosure

2. Snap the base onto the enclosure. Make sure that the mounting clip is on the bottom.

3. On OpenBAS-HV-NX10P, snap the cover in place. On OpenBAS-HV-NX10L, connect the OpenBAS-HV-LCD display to the connection labeled I2CB. On OpenBAS-HV-NX10D, connect the OpenBAS-HV-CORE2 display to the connection labeled N2. Make sure that the Mircom logo is the right way up.

4. Secure the display with the 4 screws.

Attention: Always hold circuit boards by the edges to prevent damage from static

electricity. Always wear an anti-static bracelet when handling circuit boards.

3.11 Mounting the Enclosure

Mount with mounting clip on bottom

Attention: Mount the enclosure on a DIN rail in a UL-compliant metal box. Do not

drill holes in the enclosure or modify the enclosure in any way.

To mount the enclosure on a DIN rail

Mount the enclosure with terminal labels the right way up and the mounting clip on the bottom.

1. Mount a section of DIN rail so that there is enough space for the enclosure to be mounted.

2. Slide the hooks under the rail and push the enclosure to secure it on the DIN rail. The mounting clip locks it in place.

Installation

Figure 13 Enclosure mounted on DIN rail (circuit board not shown)

Figure 14 Enclosure mounted on DIN rail (back view)

To remove the enclosure from the DIN rail

• With your hands or with a small flathead screwdriver, pull the mounting clip to release

the enclosure from the DIN rail, and carefully pull the enclosure off the DIN rail.

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4.0 Field Wiring

Note: Installation of OpenBAS-HV-NX10 series automation controllers must be in

accordance with the Canadian Electrical Code or the National Electrical Code, and comply with all local regulations. Final acceptance is subject to the Local Authority Having Jurisdiction (AHJ).

4.1 Wiring the Terminals

Figure 4 on page 13 shows the location of the terminals. The terminals are depluggable for ease of wiring.

4.1.1 Required Tools

Tools needed:

• Precision or jeweler's screwdriver set

• Wire cutter

• Wire stripper

4.1.2 Installation Tips

• Perform visual inspection of circuit board and parts for obvious issues.

• Use a wire tie to group wires for easy identification and neatness.

4.2 Power Supply Connection

The OpenBAS-HV-NX10 series controller can be powered 3 ways.

• 12 Vdc, 360 mA max.

• 24 Vdc, 450 mA max.

• 24 Vac 50/60 Hz, 500 mA max.

Notes:

• Use either of the terminals labeled 0V to connect the negative side of the power supply.

• Use the +12 or 24V terminals to daisy chain a shared supply between more than one

controller.

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4.2.1 24 VDC or 24 VAC

24 VAC/VDC

0 V

24V0V +120V

12 VDC

0 V

24V0V +120V

Universal inputs 1-8

UI2 UI3UI1 UI5 UI6UI4 UI8UI7 0V0V

UI1

UI2

UI3

UI4

UI5

UI6

UI7

UI8

When the controller is powered from the 24V terminal, it can provide 12 VDC power to field devices through the +12 terminal. In this case, the +12 terminal can provide up to 250 mA.

Figure 15 Power supply - 24 VAC or 24 VDC

4.2.2 12 VDC

Field Wiring

Figure 16 Power supply - 12 VDC

Caution: An appropriate UL listed class 2 power supply or transformer with

necessary protection devices such as fuses or breakers should be used to limit the risk of fire. All local codes and regulations for installation must be observed.

4.3 Universal Inputs

Figure 17 Universal Inputs

The controller has 8 universal inputs. Depending on the application, the universal inputs can be used the following ways:

• Analog Inputs (section 4.3.2 on page 24) 0-10 VDC

0-5 VDC

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• Input for a resistive 1000 Ω temperature sensor (section 4.3.3 on page 29)

• Measuring 24 VDC (section 4.3.4 on page 29)

• Digital (binary) inputs (section 4.3.5 on page 29) for dry contacts being fed by

• Pulse counters (section 4.3.5 on page 29) active PNP 12 VDC

4.3.1 Tips for Universal Inputs

• Use 18 AWG stranded wire.

• The absolute maximum voltage is 15 VDC.

• Fit the end of the wire with terminal connectors to provide a solid connection that can

withstand temperature changes and vibration without becoming loose.

• Connect the common wires of sensors to either of the 0V terminals.

• Turn the corresponding DIP switch on ONLY when using resistive 1000 Ω temperature

sensors. See section 3.5 on page 17.

Field Wiring

0.5-4.5 VDC ratiometric 0-20 mA 4-20 mA Thermocouple input with x200 amplifiers

12 VDC

for dry contacts being fed by 12 VDC

• When using 2 or more external power supplies, connect the negatives or commons of

both power supplies to the 0V terminal of the controller.

To ensure that the universal inputs operate correctly, follow these guidelines:

• Limit the distance between the analog sensor and the controller to 10 m (30 ft). Mircom

recommends shielded wire for noisy environments.

• If this distance is not possible, longer wire runs with shielded wire are allowed up to 30 m

(100 ft). Connect the shield to any 0V terminal on the controller, making sure to isolate the shield on the other end. Failing to do so creates ground loops.

• When possible, route the wiring inside metal piping and ground the piping for better

results.

• Avoid running any analog signals near sources of electric noise such as: motors,

ballasts, fluorescent lamps, variable frequency drives, high energy contacts, RF (radio frequency) transmitters, microwave ovens, and any other equipment that generates electromagnetic interference.

• Keep a minimum distance of 30 cm (1 ft) between analog input wiring and any conductor

carrying more than 24 VAC.

• Follow good wiring and installation practices, and follow all local regulations and

electrical codes.

4.3.2 Analog Inputs

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Connect any sensor or transducer that outputs 0-5 V, 0.5-4.5 V ratiometric, or 0-10 V directly to the universal inputs when they are configured as analog inputs.

Field Wiring

UI#

12 VDC

0 V

Field Device

Signal

+12

Controller

UI#

24 V

0 V

Field Device

Signal

+12

24 V

Controller

To use the universal inputs as analog inputs

1. Connect the appropriate analog signal to the universal input according to the diagrams below.

2. Configure the analog input type and then calibrate using the OpenBAS software.

Terminal Labeling on Field Devices

The positive terminal on field devices might be labeled one of the following:

+ +24 +PWR 24 +DC AC PWR

The negative terminal on field devices might be labeled one of the following:

-0VGNDNegCOM

Table 4 shows how to connect different devices to the analog inputs.

Attention: When using 2 or more external power supplies, connect the negatives

or commons of both power supplies to the 0V terminal of the controller.

Table 4 Analog Input Wiring

Type of field device Power source Wiring diagram

12 VDC powered transducer with 1-10 VDC output

12 VDC power supply common to field device and controller.

24 VAC or VDC power supply common to field device and controller.

The controller provides the 12 VDC to the field device.

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Table 4 Analog Input Wiring (Continued)

UI#

0 V

24V

Signal

24V

24 V

Field Device Controller

UI#

Signal

+12

Field Device Controller

Power Supply

12VDC Power Supply

UI#

Signal

24V

Field Device Controller

Power Supply

24VAC or VDC Power Supply

UI#

0 V

+12

12VDC

ȍ

Field Device Controller

Type of field device Power source Wiring diagram

24 V external power

24 V powered transducer with 1-10 VDC output

Transducer with 1-10 VDC output

supply common to field device and controller. Power can be 24 VDC or VAC as required by the field device.

External power supply for field device (depends on field device requirements) and 12 VDC external power supply for controller.

Connect the negative or common of both power supplies to the 0V terminal of the controller.

Field Wiring

Transducer with 1-10 VDC output

2-wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

External power supply for field device (depends on field device requirements) and 24 V external power supply for controller.

Connect the negative or common of both power supplies to the 0V terminal of the controller.

12 VDC power supply common to field device and controller.

26 (45)

Table 4 Analog Input Wiring (Continued)

UI#

Field Device

24V

24 VDC

ȍ

Controller

24V

UI1

ȍ

Controller

Power Supply

24 VAC or VDC Power Supply

Field Device

+12

UI1

ȍ

Controller

Power Supply

12 VDC Power Supply

Field Device

UI#

0 V

Signal

24V

24 VAC

ȍ

Field Device Controller

Type of field device Power source Wiring diagram

2-wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

24 VDC power supply common to field device and controller.

Field Wiring

0 V

2-wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

2-wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

3-wire transducer with 420 mA or 0-20 mA output

External power supply for field device (depends on field device requirements) and 24 V external power supply for controller.

Connect the negative or common of both power supplies to the 0V terminal of the controller.

External power supply for field device (depends on field device requirements) and 12 VDC external power supply for controller.

Connect the negative or common of both power supplies to the 0V terminal of the controller.

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

24 VAC power supply common to field device and controller.

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Table 4 Analog Input Wiring (Continued)

24V

UI1

ȍ

Controller

Power Supply

24 VAC or VDC Power Supply

Signal

Field Device

+12

UI1

ȍ

Controller

Power Supply

12VDC Power Supply

Signal

Field Device

+12

Signal

J or K thermocouple

x200 instrumentation amplier

UI#

24 V

0 V

+12

24 V

Controller

+12

Signal

J or K thermocouple

x200 instrumentation amplier

12 VDC

UI#

+12

Controller

Type of field device Power source Wiring diagram

Field Wiring

3 wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

3 wire transducer with 420 mA or 0-20 mA output

Connect an external 250 Ω ½ Watt 1% load resistor in parallel between the universal input terminal and 0V to provide a return path for the transducer signal current.

J or K Thermocouples

When using J or K thermocouples, install a x200 low offset amplifier.

External power supply for field device (depends on field device requirements) and 24 V external power supply for controller.

Connect the negatives or commons of both power supplies to the 0V terminal of the controller.

External power supply for field device (depends on field device requirements) and 12 VDC external power supply for controller.

Connect the negatives or commons of both power supplies to the 0V terminal of the controller.

24 VAC or VDC power supply to controller.

The controller provides the 12 VDC and a maximum current of 250 mA to the field device.

J or K Thermocouples

When using J or K thermocouples, install a x200 low offset amplifier.

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12 VDC power supply common to field device and controller.

0 V

4.3.3 Resistive 1000 Ω Temperature Sensor

UI#

1000 Ω resistive temperature sensor

Controller

UI#

Nȍ

Field Device

1-30 VDC

Controller

For resistive temperature sensors, the corresponding DIP switch must be ON. See section

3.5 on page 17. For all other devices, the DIP switch must be OFF.

Table 5 Wiring a 1000 Ω temperature sensor

Type of field device Power source Wiring diagram

1000 Ω nickel or silicon resistive temperature sensor, for instance OpenBAS-ACC-TE1K or any PTC (positive temperature coefficient) thermistors

4.3.4 Measuring 24 VDC with Analog Inputs

N/A

Field Wiring

If you want to measure 24 VDC voltages, add a 15 kΩ ½ Watt 1% resistor in series with the higher voltage to be measured. See Figure 18.

Figure 18 Measuring VDC

Caution: You can measure up to 30 VDC. A higher voltage will damage the

controller.

Only DC voltages can be input to the universal inputs. Applying AC voltages or inverting the polarity will provide incorrect readings, and can eventually damage the inputs.

4.3.5 Digital Inputs

The 8 universal inputs can receive digital signals. These are signals that represent only two states.

The digital inputs have the following ranges:

• ZERO (0) is valid for an input voltage between 0 to 4 VDC

• ONE (1) is valid for an input voltage between 8 to12 VDC

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Field Wiring

Voltage

10V

+12V

Valid

ZERO

region

Valid

ONE

region

Uncertain

region

Any voltage that lies between 4.1 to 7.9 V can give ambiguous results and must be avoided. See Figure 19.

Input

Figure 19 Digital input voltage range

The digital inputs can be used as frequency or pulse counters with these specifications:

• Digital inputs 1-2 can measure square wave or pulsed signals

. The maximum

measurable frequency is 250 Hz (15,000 pulses per minute). The minimum pulse width detectable is 2 milliseconds.

• Digital inputs 3-8 can measure frequencies up to 10 Hz (600 pulses per minute). The

minimum pulse width detectable is 50 milliseconds.

Dry contact, push buttons, magnetic reed switches or PNP transistors must supply voltage to the digital input for correct operation.

To use the universal inputs as digital inputs

1. Connect the appropriate digital signal to the universal input according to the diagrams in Ta bl e 6 .

2. Configure the digital input type using the OpenBAS software.

Table 6 shows how to connect different devices to the digital inputs.

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Table 6 Digital Input Wiring

UI#

+12

Field Device

Controller

12VDC

UI#

24V

+12

Field Device

Controller

UI#

Nȍ

24V

Field Device

24VDC

Controller

Type of field device Power source Wiring diagram

Dry contact switch or high switched PNP transistor

Note: If you use a PNP transistor, the voltage must be DC.

Dry contact switch or high switched PNP transistor

Note: If you use a PNP transistor, the voltage must be DC.

External 12 VDC power supply to feed the dry contact switches

12 VDC generated by the controller

Field Wiring

24V

Dry contact switch or high switched PNP transistor

4.4 Analog Outputs

The two analog outputs have short-circuit and thermal protection. They provide 10 mA with a maximum voltage of 10 VDC to control the speed of a motor, the position of a valve or damper, or light intensity using electronic ballasts with 0-10 V inputs.

Caution: Applying any external voltage less than 0 V or greater than 10 V will

damage the analog outputs.

24 VDC power supply to feed the dry contact switches

To ensure that analog outputs operate correctly, follow these guidelines:

• Use 18 AWG stranded wire.

• Limit the distance between the field device and the controller to 10 m (30 ft). Mircom

recommends shielded wire for noisy environments.

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Field Wiring

Analog

output 1

AO2AO1

Analog

AO#

Field Device Controller

• If this distance is not possible, longer wire runs with shielded wire are allowed up to 30 m

(100 ft). Connect the shield to any 0V terminal on the controller, making sure to isolate the shield on the other end. Failing to do so creates ground loops.

• When possible, route the wiring inside metal piping and ground the piping for better

results.

• Avoid running any analog signals near sources of electric noise such as: motors,

ballasts, fluorescent lamps, variable frequency drives, high energy contacts, RF (radio frequency) transmitters, microwave ovens, and any other equipment that generates electromagnetic interference.

• Keep a minimum distance of 30 cm (1 ft) between analog output wiring and any

conductor carrying more than 24 VAC.

• Follow good wiring and installation practices, and follow all local regulations and

electrical codes.

• Use either of the terminals labeled 0V to connect the return signal or common.

output 2

Figure 20 Analog outputs

Table 7 shows how to connect devices to the analog outputs.

Table 7 Analog Output Wiring

Type of field device Wiring diagram

Variable-frequency drive with 1-10 VDC input for speed control

Dimmable ballast with 010 VDC control input

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Table 7 Analog Output Wiring (Continued)

AO#

Signal

24V

Field Device

Controller

24 V

BO2

BO1

no1

nc1

Relay output 1

BO3 BO4 BO6

BO5

no5nc5

BO7

BO8

Relay output 2

Relay output 3

Relay output 4

Relay output 5

Relay output 6

Relay output 7

Relay output 8

Type of field device Wiring diagram

24 VAC or VDC valve or damper with 1-10 VDC control input

4.5 Digital Relay Outputs

Field Wiring

Outputs 1 and 5 have common (labeled BO), normally open (labeled no), and normally closed (labeled nc) contacts.

Outputs 2-4 and 6-8 have 2 contacts and can be configured in the software as normally open

or normally closed. By default they are normally open.

Attention: If DC voltage with anything other than purely resistive load is used on

the digital outputs, then the appropriate protective devices must be installed.

Figure 21 Relay outputs

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Note: Installation of OpenBAS-HV-NX10 series automation controllers must be in

Single Phase Motor

120 VAC

Controller

120 V lamp

120 VAC

Neutral

Controller

accordance with the Canadian Electrical Code or the National Electrical Code, and comply with all local regulations. Final acceptance is subject to the Local Authority Having Jurisdiction (AHJ).

Relay output connections can contain hazardous voltages that present the risk of electric shock. Caution must be exercised when handling these terminals. Only certified technicians should handle these terminals.

4.5.1 Surge Protection

The provisions shown in Table 8 should help to reduce electrical noise that could affect nearby equipment.

Attention: Always install safety breakers and fuses according to the load and

voltage, and in accordance with Canadian Electrical Code or National Electric Code. Follow all local regulations.

Field Wiring

Table 8 Surge Protection on Relay Outputs

Type of field device

Single phase motor

120 V lamp with ballast

Notes Wiring diagram

Install a 120 V MOV surge protector in parallel with motor to suppress noise.

Neutral

Install a 120 V MOV surge protector in parallel with solenoid coil to suppress noise.

Note: Only lamps with ballast require surge protection. Incandescent, LED, and halogen lamps do not require surge protection.

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Table 8 Surge Protection on Relay Outputs (Continued)

120 VAC LED

120 VAC

Neutral

Controller

Nȍ

120 VAC coil

120 VAC

Controller

24 VDC coil

24 VDC

0 V

Controller

24 VDC lamp

24 VDC

0 V

Controller

Field Wiring

Type of field device

120 VAC LED lamp

120 VAC coil

Notes Wiring diagram

High impedance lamps such as LED lamps require a 15 kΩ 1W 5% resistor in parallel to the lamp to prevent current leakage.

Install a 120 V MOV surge protector in parallel with solenoid coil to suppress noise.

Install a 1N4007 reverse

24 VDC coil

polarizing diode in parallel with DC solenoid coil to suppress flyback voltage.

24 VDC lamp N/A

Neutral

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Table 8 Surge Protection on Relay Outputs (Continued)

24 VAC coil

24 VAC

0 V

Controller

COM1

ref1

d1+ d1- ref2d2+ d2- ref3 d3+ d3-

COM2 COM3

Field Wiring

Type of field

Notes Wiring diagram

device

Install a 36 V MOV surge

24 VAC coil

protector in parallel with coil of solenoid to suppress noise.

4.6 Field Bus Connections and OpenBAS-ACC-DB9

Figure 22 Field bus connections

Table 9 Field Bus Ports

Port Driver Module Functional Optional Driver Comments

COM1 RS-485 Yes Yes

COM2 RS-485 Yes Yes

COM3 RS-485

Note 1: P3 and COM3 are functional only on OpenBAS-HV-NX10D.

Note 2: Each of the three P ports allow the field replacement of the RS-485 modules with the OpenBAS-ACC-RS485 optically isolated RS-485 module or OpenBAS-ACC-RS232 conversion module. See section 3.3.1 on page 13.

Note 3: To avoid intermittent communication blackouts, the isolation provided by the OpenBAS-ACC-RS485 module is highly recommended for noisy environments, and to prevent damage to the boards in extreme cases, especially if the OpenBAS-HV-NX10 series controller is inside an enclosure containing high voltage wiring.

OpenBAS-HVNX10D only

See notes 1, 2 and 3

4.6.1 OpenBAS-ACC-DB9

OpenBAS-ACC-DB9 is a DB9 adapter which is installed in one of the field bus ports.

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4.7 Networking

OpenBAS-NWK-ETH3

Cat 5 cable

RS-485

Maximum 50 cm (20”)

OpenBAS-HV-NX10 Series

OpenBAS-NWK-ETH3

Cat 5 cable

RS-485

OpenBAS-HV-NX10 Series

Figures 23 and 24 show how to add a controller to a network with OpenBAS-NWK-ETH3. Each OpenBAS device must be powered separately.

Connect the SPI port on OpenBAS-NWK-ETH3 to the SPI port on the OpenBAS-HV-NX10 series controller with the included cable, as shown in Figure 23. See section 3.4 on page 17 for information about the SPI port.

Field Wiring

4.7.1 RS-485 Details

Figure 23 Networking with OpenBAS-NWK-ETH3 with the included cable

OpenBAS-NWK-ETH3 can also connect to one of the RS-485 connections on the OpenBASHV-NX10 series controller, as shown in Figures 24 and 25. See section 4.7.1 on page 37 for information on the RS-485 ports.

Figure 24 Networking with OpenBAS-NWK-ETH3 over RS-458

Figure 25 shows 3 controllers networked with RS-485. The list of supported protocols is in chapter 5.

• 22 AWG twisted pair

• Maximum length: 1219.2 m (4000 feet)

• Mircom recommends shielded cable

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Field Wiring

First controller on network

Last controller on network

Second controller on network

Connect shield to chassis ground on one metal enclosure only

Send and receive on P3

Reset button

Download button

USB connection for programming

USB connection for backup

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Figure 25 Networking with RS-485

4.8 Connections and LEDs on OpenBAS-HV-HX10D

Figure 26 Connections and LEDs on the OpenBAS-HV-NX10D

• USB connection for programming and updating firmware: Connect a computer to this

port in order to configure the display.

• USB connection for backup: Connect a USB stick to this port in order to create backups

for data trending.

• TX and RX: These LEDs flash to indicate communication through the P3 port (see

section 4.6 on page 36).

• Reset button: Press this button to restart the display.

• Download button: Press this button to load firmware on to the controller. Refer to the

OpenBAS Programming Manual for information on upgrading controllers.

4.9 Circuit Board LEDs

PWR

• PWR: Is red when the unit is powered

• TX and RX: Flash green to indicate communication through ports COM1 and COM2

Figure 27 LEDs

Field Wiring

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5.0 Specifications

Standards: UL 60730-1

Input: 12 Vdc, 360 mA max., or 24 Vdc, 450 mA max.,

or 24 Vac 50/60 Hz, 500 mA max.

Output: 12 Vdc, 250 mA max. (when 24V powered)

Power Supply Protection: Resettable Fuse 1.1 A

Battery: FDK Corporation ML2430

Type: lithium

Nominal capacity: 100 mAh

Nominal voltage: 3 V

Mircom part number: BT-025

Relay Outputs 1 and 5: Voltage, current Load Form

125 VAC, 5 A General Use NO/NC

28 VDC, 5 A Resistive NO/NC

Relay Outputs 2, 3, 4, 6, 7, 8: Voltage, current Load Form

125 VAC, 5 A Resistive NO

125 VAC, 3 A General Use NO

2 Analog Outputs: Analog Output Voltage:

• 0-10 VDC

• 2-10 VDC

• 0-5 VDC

8 Universal Inputs: Analog Inputs:

• 0-10 VDC

• 0-5 VDC

• 0.5-4.5 VDC ratiometric

• 0-20 mA

• 4-20 mA

• 1000 Ω temperature sensor

• Thermocouple input with x200 amplifiers

Digital (binary) inputs:

• For dry contacts being fed by 12 VDC

Pulse counters:

• Active PNP 12 VDC

• For dry contacts being fed by 12 VDC

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Specifications

Communication Ports: 2 RS-485 ports (3 RS-485 ports on OpenBAS-HV-NX10D) supporting

the following protocols:

• COM1

• BACnet/MSTP

• Modbus/RTU-Slave

• Modbus/RTU-Master

• N2-Open

• Optomux

• COM2

• N2-Open

• Optomux

• N2/O22-master

• ASCII

• ECM

• COM3 (OpenBAS-HV-NX10D only)

• Modbus/RTU-Slave

• N2-Open

• Optomux

• N2/O22-master

• ASCII

RS-485 ports can be configured as RS-232 or optically isolated RS-485

1 USB 2.0 port supporting the following protocols:

• Optomux

• ASCII

2 I

C ports for memory expansion, LCD display, and OpenBAS-HV-

RF433R

1 SPI port

1 port for OpenBAS-HV-CORE2 display

Physical Characteristics: Weight: 360 g (12.8 oz)

Enclosure dimensions: 6 9/32” x 3 35/64” x 2 17/64” (160 mm x 90 mm x 58 mm)

Ambient Conditions: Operating Temperature: 0° to 40°C (32° to 104°F), 10% to 90% RH

noncondensing

Indoor Use Only

Purpose of Control: Operating Control

Construction of Control: Independently Mounted, for Panel Mount

Action Type and additional

Type 1.C

features:

Pollution Degree: 2

Software Class: Class A

Rated Impulse Voltage: 120V circuits: 2500V

24V circuits: 330V

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6.0 Warranty and Warning Information

WARNING!

Please read this document CAREFULLY, as it contains important warnings, life-safety, and practical information about all products manufactured by the Mircom Group of Companies, including Mircom and Secutron branded products, which shall include without limitation all fire alarm, nurse call, building automation and access control and card access products (hereinafter individually or collectively, as applicable, referred to as “Mircom System”).

NOTE TO ALL READERS:

1. Nature of Warnings. The within warnings are communicated to the reader out of an abundance of caution and create no legal obligation for Mircom Group of Companies, whatsoever. Without limiting the generality of the foregoing, this document shall NOT be construed as in any way altering the rights and obligations of the parties, governed by the legal documents that apply in any given circumstance.

2. Application. The warnings contained in this document apply to all Mircom System and shall be read in conjunction with:

a. the product manual for the specific Mircom System that applies in given circumstances;

b. legal documents that apply to the purchase and sale of a Mircom System, which may

include the company’s standard terms and conditions and warranty statements;

c. other information about the Mircom System or the parties’ rights and obligations as may

be application to a given circumstance.

3. Security and Insurance. Regardless of its capabilities, no Mircom System is a substitute for property or life insurance. Nor is the system a substitute for property owners, renters, or other occupants to act prudently to prevent or minimize the harmful effects of an emergency situation. Building automation systems produced by the Mircom Group of Companies are not to be used as a fire, alarm, or life-safety system.

NOTE TO INSTALLERS:

All Mircom Systems have been carefully designed to be as effective as possible. However, there are circumstances where they may not provide protection. Some reasons for system failure include the following. As the only individual in contact with system users, please bring each item in this warning to the attention of the users of this Mircom System. Failure to properly inform system end-users of the circumstances in which the system might fail may result in over-reliance upon the system. As a result, it is imperative that you properly inform each customer for whom you install the system of the possible forms of failure:

4. Inadequate Installation. All Mircom Systems must be installed in accordance with all the applicable codes and standards in order to provide adequate protection. National standards require an inspection and approval to be conducted by the local authority having jurisdiction following the initial installation of the system and following any changes to the system. Such inspections ensure installation has been carried out properly.

42 (45)

5. Inadequate Testing. Most problems that would prevent an alarm a Mircom System from operating as intended can be discovered by regular testing and maintenance. The complete system should be tested by the local authority having jurisdiction immediately after a fire, storm, earthquake, accident, or any kind of construction activity inside or outside the premises.

The testing should include all sensing devices, keypads, consoles, alarm indicating devices and any other operational devices that are part of the system.

NOTE TO USERS:

All Mircom Systems have been carefully designed to be as effective as possible. However, there are circumstances where they may not provide protection. Some reasons for system failure include the following. The end user can minimize the occurrence of any of the following by proper training, testing and maintenance of the Mircom Systems:

6. Inadequate Testing and Maintenance. It is imperative that the systems be periodically tested and subjected to preventative maintenance. Best practices and local authority having jurisdiction determine the frequency and type of testing that is required at a minimum. Mircom System may not function properly, and the occurrence of other system failures identified below may not be minimized, if the periodic testing and maintenance of Mircom Systems is not completed with diligence and as required.

7. Improper Operation. It is important that all system users be trained in the correct operation of the alarm system and that they know how to respond when the system indicates an alarm. A Mircom System may not function as intended during an emergency situation where the user is unable to operate a panic or emergency switch by reason of permanent or temporary physical disability, inability to reach the device in time, unfamiliarity with the correct operation, or related circumstances.

Warranty and Warning Information

8. Insufficient Time. There may be circumstances when a Mircom System will operate as intended, yet the occupants will not be protected from the emergency due to their inability to respond to the warnings in a timely manner. If the system is monitored, the response may not occur in time enough to protect the occupants or their belongings.

9. Carelessness or Safety Hazards. Moreover, smoke detectors may not provide timely warning of fires caused by carelessness or safety hazards such as smoking in bed, violent explosions, escaping gas, improper storage of flammable materials, overloaded electrical circuits or children playing with matches or arson.

10. Power Failure. Some Mircom System components require adequate electrical power supply to operate. Examples include: smoke detectors, beacons, HVAC, and lighting controllers. If a device operates only by AC power, any interruption, however brief, will render that device inoperative while it does not have power. Power interruptions of any length are often accompanied by voltage fluctuations which may damage Mircom Systems or other electronic equipment. After a power interruption has occurred, immediately conduct a complete system test to ensure that the system operates as intended.

11. Battery Failure. If the Mircom System or any device connected to the system operates from batteries it is possible for the batteries to fail. Even if the batteries have not failed, they must be fully charged, in good condition, and installed correctly. Some Mircom Systems use replaceable batteries, which have a limited life-span. The expected battery life is variable and in part dependent on the device environment, usage and type. Ambient conditions such as high humidity, high or low temperatures, or large temperature fluctuations may reduce the expected battery life. Moreover, some Mircom Systems do not have a battery monitor that would alert the user in the event that the battery is nearing its end of life. Regular testing and replacements are vital for ensuring that the batteries function as expected, whether or not a device has a low-battery monitor.

12. Physical Obstructions. Motion sensors that are part of a Mircom System must be kept clear of any obstacles which impede the sensors’ ability to detect movement. Signals being communicated by a Mircom System may not reach the receiver if an item (such as metal, water, or concrete) is placed on or near the radio path. Deliberate jamming or other inadvertent radio signal interference can also negatively affect system operation.

43 (45)

Warranty and Warning Information

13. Wireless Devices Placement Proximity. Moreover all wireless devices must be a minimum and maximum distance away from large metal objects, such as refrigerators. You are required to consult the specific Mircom System manual and application guide for any maximum distances required between devices and suggested placement of wireless devices for optimal functioning.

14. Failure to Trigger Sensors. Moreover, Mircom Systems may fail to operate as intended if motion, heat, or smoke sensors are not triggered.

a. Sensors in a fire system may fail to be triggered when the fire is in a chimney, walls, roof,

or on the other side of closed doors. Smoke and heat detectors may not detect smoke or heat from fires on another level of the residence or building. In this situation the control panel may not alert occupants of a fire.

b. Sensors in a nurse call system may fail to be triggered when movement is occurring

outside of the motion sensors’ range. For example, if movement is occurring on the other side of closed doors or on another level of the residence or building the motion detector may not be triggered. In this situation the central controller may not register an alarm signal.

15. Interference with Audible Notification Appliances. Audible notification appliances may be interfered with by other noise sources such as stereos, radios, televisions, air conditioners, appliances, or passing traffic. Audible notification appliances, however loud, may not be heard by a hearing-impaired person.

16. Other Impairments. Alarm notification appliances such as sirens, bells, horns, or strobes may not warn or waken a sleeping occupant if there is an intervening wall or door. It is less likely that the occupants will be alerted or awakened when notification appliances are located on a different level of the residence or premise.

17. Software Malfunction. Most Mircom Systems contain software. No warranties are provided as to the software components of any products or stand-alone software products within a Mircom System. For a full statement of the warranties and exclusions and limitations of liability please refer to the company’s standard Terms and Conditions and Warranties.

18. Telephone Lines Malfunction. Telephone service can cause system failure where telephone lines are relied upon by a Mircom System. Alarms and information coming from a Mircom System may not be transmitted if a phone line is out of service or busy for a certain period of time. Alarms and information may not be transmitted where telephone lines have been compromised by criminal tampering, local construction, storms or earthquakes.

19. Component Failure. Although every effort has been made to make this Mircom System as reliable as possible, the system may fail to function as intended due to the failure of a component.

20. Integrated Products. Mircom System might not function as intended if it is connected to a non-Mircom product or to a Mircom product that is deemed non-compatible with a particular Mircom System. A list of compatible products can be requested and obtained.

Warranty

44 (45)

Purchase of all Mircom products is governed by:

https://www.mircom.com/product-warranty

https://www.mircom.com/purchase-terms-and-conditions

https://www.mircom.com/software-license-terms-and-conditions

CANADA - Main Office 25 Interchange Way Vaughan, ON L4K 5W3 Tel: (905) 660-4655 (888) 660-4655 Fax: (905) 660-4113

U.S.A 4575 Witmer Industrial Estates Niagara Falls, NY 14305 Tel: (905) 660-4655 (888) 660-4655 Fax: (905) 660-4113

www.mircomgroup.com

Mircom OpenBAS-HV-NX10, OpenBAS-HV-NX10D, OpenBAS-HV-NX10L, OpenBAS-HV-NX10P Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of Contents

List of Figures

List of Tables

1.0 Introduction

1.1 OpenBAS-HV-NX10 Series Building Automation Controller

1.2 Features

2.0 Overview

2.1 OpenBAS-HV-NX10 Series Components

2.1.1 Controllers

2.1.2 Accessories

2.1.3 Compatible Modules

3.0 Installation

3.1 Parts of the Enclosure

3.2 Controller Board Connections

3.3 Installing Accessories

3.3.2 Memory Expansion Card (OBS-ACC-32K128) and Wireless Receiver (OpenBAS-HV-RF433R)

3.3.3 Displays (OpenBAS-HV-LCD and OpenBAS-HV-CORE2)

3.4 Ethernet Controllers (OpenBAS-NWK-ETH3)

3.5 DIP Switches

3.6 USB

3.7 Reset and Download Buttons

3.8 Battery

3.9 Enclosure Dimensions

3.10 Assembly

3.11 Mounting the Enclosure

4.0 Field Wiring

4.1 Wiring the Terminals

4.1.1 Required Tools

4.1.2 Installation Tips

4.2 Power Supply Connection

4.2.1 24 VDC or 24 VAC

4.2.2 12 VDC

4.3 Universal Inputs

4.3.1 Tips for Universal Inputs

4.3.2 Analog Inputs

4.3.3 Resistive 1000 Ω Temperature Sensor

4.3.4 Measuring 24 VDC with Analog Inputs

4.3.5 Digital Inputs

4.4 Analog Outputs

4.5 Digital Relay Outputs

4.5.1 Surge Protection

4.6 Field Bus Connections and OpenBAS-ACC-DB9

4.6.1 OpenBAS-ACC-DB9

4.7 Networking

4.7.1 RS-485 Details

4.8 Connections and LEDs on OpenBAS-HV-HX10D

4.9 Circuit Board LEDs

5.0 Specifications

6.0 Warranty and Warning Information