Mitsubishi Electric Procon BAC-IP50 User manual

Procon

BAC-IP/50

Installation

and

User Guide

MITSUBISHI ELECTRIC

BACnetTM is a registered trademark of ASHRAE (American Society of Heating, Refrigerating and

Air-Conditioning Engineers, Inc.)

The Procon BAC-IP/50 unit allows a BACnet/IP building

management system (BMS) to monitor and control air-conditioning

units attached to a Mitsubishi G-50A, GB-50A or AG-150 central

controller.

Depending on the air-conditioning configuration within the G-50,

up to 50 groups can be monitored / controlled. The error state of up

to 50 OC/BC units can also be monitored.

BACNET / IP

Procon

BAC-IP/50

G-50A

Ethernet

Hub

/Switch

Outdoor

Units

Indoor Units

BACnet

BMS

System

Fig.1 System Configuration Example

1. Product Overview

1.1

Supplied Parts

No. Part Name Quantity

1Procon BAC-IP/50 1

2Cat-5 ‘Straight Through’ Patch Lead 1

3Din-Rail Clips 2

4Self-Tapping Screws for Din-Rail Clips 4

5Installation Manual 1

2.1 Ethernet

The Procon BAC-IP/50 is a 10Base-T half duplex device and

needs to be connected to the G-50 and the BACnet/IP network.

Fig.1 shows the use of a hub / switch ( not supplied ) to make the

connections, but the Procon unit and the G-50 could just as easily

be connected directly to the BACnet/IP network.

12/24v AC

10Base-T

Ethernet

Configuration

Port

Reset

Button

Power

Supply

Enable

Link

Ethernet

Configure via

RS485

RS232 Tx

Common

RS232 Rx

N/C

Configure or

upgrade firmware

via RS232

Connection Details

Fig.2 Connection Details

All electrical work should be carried out by a competent person

and wiring must be in accordance with the national electrical

installation regulations.

Note:a) The Procon BAC-IP/50 and the G-50 require separate

IP addresses which must be on the same subnet.

b) The BAC-IP/50 does not support Auto-Negotiation.

2.2 Configuration Port

This connector is only to be used for unit configuration (via RS485

or RS232) and updating the firmware (via RS232 only).

2.3 Enable Link

Allows a normally-closed volt-free contact to set or reset the

‘Forced- Off’ feature in the G-50. While the ‘Forced-Off’ feature is

enabled, all air-conditioning units are switched off and all remote-

controllers are disabled.

Upon detection of the open contact, the Procon unit sends the

‘Forced-Off’ Set command to the G-50, and resends at 5 seconds

intervals while the contact is open.

As soon as the contact closes, the Procon unit sends the ‘Forced-

Off’ Reset command to the G-50 once only. This ensures that any

subsequent ‘Forced-Off’ commands sent via the BACnet BMS

system are not overridden.

Configuration

Port

Pin 5

Pin 3

Pin 2

To PC

Comm Port

9PIN D

SUB FEMALE

Fig.3 RS232 Comms Lead Wiring Diagram

Note:The Procon BAC-IP/50 comes supplied with a wire link

across the Enable Link terminals.

2.4 Power Supply

The Procon BAC-IP/50 will accept either 12v or 24v AC and has a

consumption of 8VA. The unit is shipped setup for 24v AC. The

internal fuse is rated T500mA.

THIS EQUIPMENT MUST BE EARTHED

24v

Disconnect the supply and remove the top cover. Fit the 2 shorting

links and the fuse in the appropriate positions detailed above.

Shorting

Links

Fuse

Changing The Supply Voltage

3. Air-Conditioning Group Configuration

The groupings set up in the G-50 determine which unit

addresses can accept commands from the BACnet BMS system.

The group number is defined as ‘the lowest indoor unit address

within the group’. This then becomes the ‘master’ address for the

group, and is the only address within that group than can accept

commands.

The other units within a group can be classed as ‘slave’ units

and contain the same status parameter values as the ‘master’,

apart from the Error Code, which is unique to each unit.

In the example above, addresses 01, 03, 06 and 08 are the

‘master’ units, and 02, 04, 05 and 07 are the ‘slave’ units.

G-50

Group

M-NET

Fig.4 Grouping Example

Note:Attempting to write a command to a ‘slave’ unit will have no

effect.

4. BACnet Specification

The Procon BAC-IP/50 is designed to work with a BACnet/IP network as

described in the ANSI/ASHRAE Standard 135-2004.

Property Setting

Segmentation Not Supported

Maximum APDU length supported 206 octets

Object List Supported

Device ID User settable (1)

Device Name User settable (1)

Object Names User settable (1)

Notes: (1) Only settable via PC configuration program.

4.2

Service List

Supported Services

Read Property 12

Read Property Multiple 14

Write Property 15

Write Property Multiple 16

Who-Has 33

I-Have 27

Who-Is 34

I-Am 36

4.1

Object Types

Object Type Supported

Analog Input 0 Yes

Analog Output 1 Yes

Analog Value 2

Binary Input 3 Yes

Binary Output 4 Yes

Binary Value 5 Yes

Calendar 6

Command 7

Device 8 Yes

Event Enrollment 9

File 10

Group 11

Loop 12

Multi-State Input 13 Yes

Multi-State Output 14 Yes

Notification Class 15

Program 16

Schedule 17

Averaging 18

Multi-State Value 19

Trend Log 20

4.3 Object List

Object Object Type Instance

No.

‘Present Value’

Settings

Notes

On/Off (Setup) Binary Output 1xxx01 Inactive:Off

Active:On

On/Off (State) Binary Input 1xxx02 Inactive:Off

Active:On

Error Code Analog Input 1xxx03 4 digit error code where

8000 = ‘No Error’

Operation Mode (Setup) Multi-State Output 1xxx04 01: Cool

02: Dry

03: Fan

04: Heat

05: Auto

06: Heat Recovery

07: LC_Auto

08: Bypass

Lossnay

Only

09: AutoHeat

10: AutoCool

Not

settable

11: Heating

12: Eco-Heating

13: Hot-Water

14: Anti-Freeze

15: Cooling

Heat-pump

boiler only

Operation Mode (State) Multi-State Input 1xxx05 01: Cool

02: Dry

03: Fan

04: Heat

05: Auto

06: Heat Recovery

07: LC_Auto

08: Bypass

Lossnay

Only

09: AutoHeat

10: AutoCool

See

Section 5

11: Heating

12: Eco-Heating

13: Hot water

14: Anti-Freeze

15: Cooling

Heat-pump

boiler only

Fan Speed (Setup) Multi-State Output 1xxx06 01: Low

02: Mid2

03: Mid1

04: High

Fan Speed (State) Multi-State Input 1xxx07 01: Low

02: Mid2

03: Mid1

04: High

Room Temperature Analog Input 1xxx08

Object Object Type Instance

No.

‘Present Value’

Settings

Notes

Setpoint Temperature

(Setup)

Analog Output 1xxx09 Cool/Dry :

19oCto 30oC

Heat : 17oCto 28oC

Auto : 19oCto 28oC

Boiler : 10oCto 70oC

Setpoint Temperature

(State)

Analog Input 1xxx10 Cool/Dry :

19oCto 30oC

Heat : 17oCto 28oC

Auto : 19oCto 28oC

Boiler : 10oCto 70oC

Filter Sign (State) Binary Input 1xxx11 Inactive:Sign Off

Active:Sign On

Filter Sign (Setup) Binary Output 1xxx12 Inactive:Clear Sign

Active:No Action

Local Inhibit (Setup) Binary Output 1xxx13 Inactive:Off

Active:Inhibit

Local Inhibit (State) Binary Input 1xxx14 Inactive:Off

Active:Inhibited

Air Direction (Setup) Multi-State Output 1xxx15 01: Horizontal

02: Mid1

03: Mid2

04: Vertical

05: Swing

Air Direction (State) Multi-State Input 1xxx16 01: Horizontal

02: Mid1

03: Mid2

04: Vertical

05: Swing

Ventilation (Setup) Multi-State Output 1xxx17 01: Off

02: Low

03: High

Lossnay /

OA units

only

Ventilation (State) Multi-State Input 1xxx18 01: Off

02: Low

03: High

Lossnay /

OA units

only

(Unused) 1xxx19

(Unused) 1xxx20

(Unused) 1xxx21

OC / BC Error Code Analog Input 1yyy22 4 digit error code where

8000 = ‘No Error’

Mnet Comms State Binary Input 100023 Inactive:Init

Active:Ok

System Forced Off (Setup)

Binary Output 100024 Inactive:Off

Active:On

System Forced Off (State) Binary Input 100025 Inactive:Off

Active:On

G50 Comms State Binary Input 100026 Inactive:Error

Active:Ok

New_Setting_Compare Binary Value 100027 Inactive:Off

Active: On

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