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.)
1
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
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
To
Ethernet
Configure via
RS485
RS232 Tx
Common
RS232 Rx
N/C
Configure or
upgrade firmware
via RS232
2.
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.
3
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.
4
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
AC
12
v
AC
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
5
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.
IC
01
*
IC
02
IC
03
*
IC
04
IC
05
IC
06
*
IC
07
IC
08
*
G-50
Group
01
Group
03
Group
06
Group
08
M-NET
Fig.4 Grouping Example
Note:Attempting to write a command to a ‘slave’ unit will have no
effect.
6
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
7
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
8
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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