Hitachi CPS225W RS-232C communication, Communications setting, Protocol, Header, Command data

Page 30

TECHNICAL (continued)

RS-232C communication

(1)Turn off the projector and computer power supplies and connect with the RS-232C cable.

(2)Turn on the computer power supply and after the computer has started up, turn on the projector power supply.

 

Projector

Control jack

 

2

D-sub 15-pin shrink jack

SELORTS109345678

1510149138127116

GND

2

 

RDT

43

 

 

15

Computer

RS-232C jack

2

RD

D-sub 9-pin

3456789

TDGNDDRITRSRTS

162738495

Communications setting

19200bps, 8N1

1 Protocol

Consist of header (7 bytes) + command data (6 bytes).

2 Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high

CRC_low : Lower byte of CRC flag for command data.

CRC_high : Upper byte of CRC flag for command data.

3 Command data

Command data chart

byte_0

 

byte_1

byte_2

 

byte_3

byte_4

 

byte_5

 

 

 

 

 

 

 

 

 

Action

Type

 

Setting code

low

 

high

low

 

high

low

 

high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Action (byte_0 - 1)

Action

Classification

 

Content

 

 

 

 

1

SET

 

Change setting to desired value.

 

 

 

 

2

GET

 

Read projector internal setup value.

 

 

 

 

4

INCREMENT

 

Increment setup value by 1.

 

 

 

 

5

DECREMENT

 

Decrement setup value by 1.

 

 

 

 

6

EXECUTE

 

Run a command.

 

 

 

 

TECHNICAL - 5

TECHNICAL

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Contents CPS225W Contents Features Contents of packageBefore USE Front / Left View Before USEPart Names Rear / Right ViewReplacing Loading the BatteriesFirst Loading MagnifyAngle Adjustment InstallationInstallation of the Projector and Screen Installation ReferenceInstallation CablingCabling Power Connection Example of system setupPlug & Play Operations Power onPower OFF StandbyOperations Basic OperationBasic Operation Description Automatic Adjustment at Video Input Press the Auto button Set/Clear Mute Mode Press the Mute buttonAutomatic Adjustment at RGB Input Press the Auto button Normal menuSelect Image Aspect Ratio Setup MenuSetup Menu Select Position of ImageInput Menu Input MenuImage Menu Setup Initial Screen Display Select Turn on withSelect Color Temperature Image Menu DescriptionSelect Menu Background Color Select with Options MenuOptions Menu Description Select Menu Display Language Select withSetup Initial Screen Display Select the Turn on with No Signal MenuNo Signal Menu Select Blank Screen Color Select the color withLamp MaintenanceLamp Lamp LifeMaintenance Resetting the Lamp TimerReplacing the Lamp Maintenance Inside the Equipment Air Filter MaintenanceOther Maintenance Cleaning the LensOSD Message TroubleshootingMessage Contents OSD MessagesIndicators Message TroubleshootingIndicators Message IndicatorSymptom Possible cause Remedy SymptomSymptom 10,14Specifications SpecificationsWarranty and AFTER-SERVICE Page Sub 15-pin Shrink Connector RGB Dimension DiagramSignal Connector Pin Assignment Mini Din 4-pin Connector S-VIDEOExample of computer signal TechnicalInitial set signals Connection to the Mouse Control RS-232C communication Communications settingCommand data ProtocolUsing the projector default settings Reset Command Requesting projector status Get commandChanging the projector settings Set command Increasing the projector setting value Increment commandCRC Be EF BA D2 Be EF FD D3 Be EF Ntsc PAL Regulatory Notices FCC Statement WarningFor the Customers in Canada Pour les utilisateurs au Canada Hitachi
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CPS225W specifications

The Hitachi CPS225W is a high-performance portable air conditioner designed to meet the cooling needs of various environments, from homes to small offices. With its impressive combination of technology, energy efficiency, and user-friendly features, the CPS225W stands out in the crowded market of portable cooling solutions.

One of the most notable features of the Hitachi CPS225W is its cooling capacity. With a powerful 2.5 kW cooling output, it can efficiently cool spaces of up to 400 square feet, making it ideal for bedrooms, living rooms, or compact office spaces. The unit utilizes advanced inverter technology, which allows for precise temperature control and energy-efficient operation. This means that not only does the CPS225W provide rapid cooling, but it also consumes less electricity compared to conventional window or wall-mounted air conditioning systems.

Another key characteristic of the CPS225W is its user-friendly interface. It comes equipped with a remote control, enabling users to adjust settings from across the room with ease. The intuitive digital display offers options for setting the desired temperature, fan speed, and operating mode, whether cooling, dehumidifying, or fan only. Moreover, the air conditioner features a programmable timer, allowing users to schedule cooling cycles according to their routine, ensuring comfort without unnecessary energy expenditure.

The CPS225W also incorporates a high-efficiency air filter that effectively removes dust, allergens, and other particulates from the air, contributing to improved indoor air quality. The filter is washable and easy to maintain, ensuring that the air conditioner operates at peak performance throughout its lifespan.

In terms of design, the Hitachi CPS225W is compact and portable, featuring smooth-rolling casters that allow for easy relocation from room to room. The sleek white finish complements various interior styles, making it a versatile addition to any space.

Additionally, the CPS225W uses eco-friendly refrigerant, aligning with modern environmental standards and ensuring a lower carbon footprint. With its combination of powerful cooling, energy efficiency, and user-friendly features, the Hitachi CPS225W is an excellent choice for anyone seeking a reliable portable air conditioning solution. Whether for personal use or in a small workspace, this unit promises to deliver comfort and convenience with every use.
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