4.3 Object and Management Item

Object ID consists of object type + instance number.

An instance number consists of G-50A number + air-conditioner equipment group number + member number.

31

22 21

0(bit)

BACnet object type

Instance number

Instance number (decimal and 6 figures): X X XX XX

Member number (01 ~ 99) Group number (01 ~ 50) G-50A number (01 ~ 10)

Note: G-50A number: Specify the IP address of G-50A corresponding to G-50A number 1-10, and determine G-50A number.

Object

Object type

Instance

Management item

Note

 

 

number

 

 

 

 

 

 

 

 

 

On/Off (setup)

Binary Output

xxxx01

Inactive: Off Active: On

 

 

 

 

 

 

 

 

On/Off (state)

Binary Input

xxxx02

Inactive: Off Active: On

 

 

 

 

 

 

Alarm signal

Binary Input

xxxx03

Inactive: Normal

 

Active: Abnormalities

 

 

 

 

 

Error Code

Multi-State Input

xxxx04

01: Normal

 

 

02: Other abnormality

 

 

 

 

 

 

 

 

03: Refrigerant system abnormality

 

 

 

 

04: Water system abnormality

 

 

 

 

05: Air system abnormality

 

 

 

 

06: Electric system abnormality

 

 

 

 

07: Sensor abnormality

 

 

 

 

08: Communication abnormality

 

 

 

 

09: System abnormality

 

Operation mode (setup)

Multi-State Output

xxxx05

01: Cool

 

*4)

02: Heat

 

 

 

 

 

 

 

 

 

 

03: Fan

 

 

 

 

 

04: Auto

 

 

 

 

 

05: Dry

*1)

 

Operation mode (state)

Multi-State Input

xxxx06

01: Cool

 

*4)

02: Heat

 

 

 

 

 

 

 

 

 

 

03: Fan

 

 

 

 

 

05: Dry

*1)

 

Fan Speed (setup)

Multi-State Output

xxxx07

01: Lo

 

Lo<Mid2<Mid1<Hi

02: Hi

 

 

 

 

 

 

 

 

 

03: Mid2

*2)

 

 

 

 

04: Mid1

*2)

 

Fan Speed (state)

Multi-State Input

xxxx08

01: Lo

 

Lo<Mid2<Mid1<Hi

02: Hi

 

 

 

 

 

 

 

 

 

03: Mid2

*2)

 

 

 

 

04: Mid1

*2)

 

Room Temp.

Analog Input

xxxx09

°F / °C

 

*3)

 

 

 

 

 

 

 

 

Set Temp.

Analog Value

xxxx10

°F / °C

 

*3)

 

 

 

 

 

 

 

Filter Signal

Binary Input

xxxx11

Inactive: OFF Active: ON

 

 

 

 

 

 

 

Filter Signal Reset

Binary Value

xxxx12

Inactive: RESET ACTIVE: Void

If it read, the same state, as a

Filter Signal will return.

 

 

 

 

 

Prohibition of local operation

Binary Value

xxxx13

Inactive: Permit Active: Prohibit

 

(On/Off)

 

 

 

 

 

 

 

 

 

 

 

Prohibition of local operation

Binary Value

xxxx14

Inactive: Permit Active: Prohibit

*3)

 

(Mode)

 

 

 

 

 

 

 

 

 

 

 

9

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Mitsubishi Electronics PAC-YG31CDA operation manual Object and Management Item, Object Object type Instance, Number

PAC-YG31CDA specifications

Mitsubishi Electronics has long been recognized for its innovation and commitment to providing high-quality climate control solutions. The PAC-YG31CDA is one of the standout products from the company, designed to enhance the performance and functionality of air conditioning systems.

The PAC-YG31CDA is primarily used as a communication interface for centralized control settings in multi-split air conditioning systems. It allows for integration with various types of building management systems, making it an essential component in modern HVAC (heating, ventilation, and air conditioning) setups. This unit supports simplified control and monitoring, aiming to optimize energy use while maintaining user comfort.

One of the main features of the PAC-YG31CDA is its compatibility with a range of Mitsubishi air conditioning units, ensuring versatile application across different settings. This allows for centralized management of multiple indoor units, which is particularly useful in commercial environments. Users can easily adjust settings, schedules, and modes from a single interface, streamlining operations and enhancing convenience.

Another significant aspect of the PAC-YG31CDA is its advanced communication capabilities. It utilizes the proprietary MELCO communication protocol, ensuring seamless communication between the indoor and outdoor units. This capability is crucial for real-time monitoring and adjustments, which in turn promotes energy efficiency. The device can also be integrated with remote control units, offering users flexibility in managing their climate control preferences.

In terms of performance, the PAC-YG31CDA features a robust design that ensures reliability and durability. Its compact size allows for easy installation and integration into existing systems, minimizing disruption during setup. Furthermore, the unit is energy-efficient, designed to reduce operational costs while enhancing user comfort.

Overall, the Mitsubishi Electronics PAC-YG31CDA exemplifies the company's commitment to technical excellence and user satisfaction. With its comprehensive features, advanced technologies, and user-friendly design, the PAC-YG31CDA is an invaluable addition to HVAC systems, particularly in settings that require effective climate control management. Whether for commercial or residential applications, this unit stands out as a reliable solution that delivers both performance and value.