Download  Print this page

How To Read The Measurement Value Of The Built-in Temperature Sensors - NEC MultiSync V422 Control Manual

External control.
Hide thumbs

Advertisement

6.2. How to read the measurement value of the built-in temperature sensors.

MultiSync P402 /P462 /P552 /P702 /V422 /V462 /V551 /V651 /X461S /X551S /X463UN /X551UN have three
built-in temperature sensors.
The controller can monitor inside temperatures by using those sensors with external control.
The following shows the procedure for reading the temperatures from the sensors.
Step 1. Select a temperature sensor which you want to read.
Header
SOH-'0'-Monitor ID-'0'-'E'-'0'-'A'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID which you want to get a value.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h): Message sender is the controller.
'E' (45h): Message Type is "Set parameter command".
'0'-'A' (30h, 41h): Message length is 10 bytes.
Message
STX (02h): Start of Message
'0'-'2' (30h, 32h): Operation code page number is 2.
'7'-'8' (37h, 38h): Operation code is 78h (on page 2).
'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Select the temperature sensor #1 (01h).
00h: No meaning
01h: Sensor #1
02h: Sensor #2
03h: Sensor #3
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
Step 2. The monitor replies for confirmation.
Header
SOH-'0'-'0'-Monitor ID-'F'-'1'-'2'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicates a replying Monitor ID.
Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.
'F' (46h): Message Type is "Set parameter reply".
'1'-'2' (31h, 32h): Message length is 18 bytes.
Message
STX (02h): Start of Message
'0'-'0' (30h, 30h): Result code. No error.
'0'-'2' (30h, 32h): Operation code page number is 2.
'7'-'8' (37h, 38h): Operation code is 78h (in the page 2).
Message
STX-'0'-'2'-'7'-'8'-'0'-'0'-'0'-'1'-ETX
Message
STX-'0'-'0'-'0'-'2'-'7'-'8'-'0'-'0'-'0'-'0'
-'0'-'3'-'0'-'0'-'0'-'1'-ETX
(23/71)
Check
Delimiter
code
BCC
CR
Check
Delimiter
code
BCC
CR

Advertisement

Table of Contents

   Also See for NEC MultiSync V422

   Related Manuals for NEC MultiSync V422

Comments to this Manuals

Symbols: 0
Latest comments: