Chapter 13

Options and Accessories

Commands Transmitted to the Ventilator

Transmission of Data from the Ventilator

Commands are transmitted as a series of four ASCII characters followed by a carriage return. Valid commands will be stored and response transmissions will be sent in the order the corresponding commands were received.

Unless stated otherwise, all fields will be left justified and six (6) characters in length. A comma will separate each field, except for the field following the start code. Each data transmission shall be terminated with a carriage return.

In the following subparagraphs, a space is designated as “”. When data is unavailable, the output field shall contain “◆◆◆◆◆◆

SNDA<CR>, Send

Variable Length

Ventilator Settings

Report

When the ventilator receives SNDA followed by a carriage return, it will respond by transmitting the information shown in Table 13-4: “Ventilation Report”. The ventilator responds to the SNDA command by returning a string with a variable length. The second and third fields define the length of the message. The second field indicates the number of characters between the start and stop codes. The third field indicates the number of fields between the start and stop codes. The fourth field is the start code, 02H. The last field in the string is the stop code, 03H, indicating the end of the message.

NOTE:

The SNDA command is only available in Normal mode.

Ventilation Report

Description

Example

Resolution

Range

Units

Comments

 

 

 

 

 

 

Command Name

MISCA

N/A

N/A

N/A

5 character field

 

 

 

 

 

 

Number of characters

706

N/A

N/A

N/A

3 character field

between the start and

 

 

 

 

 

stop codes

 

 

 

 

 

 

 

 

 

 

 

Number of fields

97

N/A

N/A

N/A

2 character field

between the start and

 

 

 

 

 

stop codes

 

 

 

 

 

 

 

 

 

 

 

Start Code

0x02

N/A

N/A

N/A

ASCII Start

 

 

 

 

 

Transmission

 

 

 

 

 

Character (STX)

 

 

 

 

 

 

Time of request

13:45

N/A

N/A

N/A

24 hour clock,

 

 

 

 

 

hh:mm

 

 

 

 

 

 

Not used

 

N/A

N/A

N/A

18 character field.

 

 

 

 

 

Outputs example

 

 

 

 

 

value.

 

 

 

 

 

 

Table 13-4: Ventilation Report (Sheet 1 of 10)

13-40

Respironics V200 Ventilator Operator’s Manual

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Philips V200 manual Commands Transmitted to the Ventilator, SNDACR, Send Variable Length Ventilator Settings Report, 13-40

V200 specifications

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