PCE Instruments PCE-TDS 75 Bedienungsanleitung Seite 48

5. MODBUS-Register-Adressliste
Das MODBUS-Register des Durchflussmessers hat ein Leseregister und ein Schreibregister.
a) Register-Adressliste lesen (zum Lesen wird der Funktionscode 0x03 verwendet)
PDU
Register
Address
$0000 40001
$0001 40002
$0002 40003
$0003 40004
$0004 40005
$0005 40006
$0006 40007
$0007 40008
$0008 40009
$0009 40010
$000A 40011
$000B 40012
$000C 40013
$000D 40014
$000E 40015
$000F 40016
$0010 40017
$0019 40026
$001A 40027
$001B 40028
$001C 40029
$001D 40030
$001E 40031
$003B 40060
$003C 40061
$003D 40062
$003E 40063
$003F 40064
$0040 40065
$0041 40066
$0042 40067
$0043 40068
$0044 40069
$0045 40070
$0046 40071
$0047 40072
$0048 40073
Read
Flow/s - low word
Flow/s - high word
Flow/m - low word
Flow/m - high word
Flow/h - low word
Flow/h - high word
Velocity - low word
Velocity - high word
Positive total - low word
Positive total - high word
Positive total - exponent
Negative total - low word
Negative total - high word
Negative total - exponent
Net total - low word
Net total - high word
Net total - exponent
Up signal - low word
Up signal - high word
Down signal –low word
Down signal –high word
Quality
Error code –char 1
Flow velocity unit –char 1,2
Flow velocity unit –char 3,4
Flow rate unit –char 1,2
Flow rate unit –char 3,4
Flow totalunit –char 1,2
Energy rateunit –char1,2
Energy rateunit –char 3,4
Energy totalunit –char 1,2
Instrument address-low
word
Instrument address-high
word
Serial number –char 1,2
Serial number –char 3,4
Serial number –char 5,6
Serial number –char 7,8
© PCE Instruments
44
Write Type
32 bits real 2
32 bits real 2
32 bits real 2
32 bits real 2
32 bits real 2
16 bits int 1
32 bits real 2
16 bits int 1
32 bits real 2
16 bits int 1
32 bits real 2
32 bits real 2
16 bits int 1
String 1
String 2
String 2
String 1
String 2
String 1
32 bits real 2
String 4
String 4
No.
Registers*
0 - 99.9
0 - 99.9
0 - 99.9
Refer to
"Error
Analysis"
for detailed
codes
meanings.
Only m/s
right now
Note 1
Note 2