Orbit Merret OM PROFI, Руководство пользователя

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8 | USER MANUAL OM PROFI
DESCRIPTION
OF COMMUNICATION
2.
Telegram transmitted from OM apparatus
(older version or selection of GSD file in menu - OLD)
Addr. Data type Function Note
0 Byte „Function“ Mirrorred value of set “Function”
1 Byte „Adress“ Mirrorred value of set Address
2…37 9x Float Value of channels 1…9 Value of measuring channels of OM xxx instrument in 0 mode
2…37 36x Char Response OM xxx
Data
Response to command sent to OM xxx instrument through functions
129, 130 returned data through functions 128, 131 až 134
38
Byte 1
Identified number of connected OM xxx instruments (used only with
OMX Profibus)
39 Byte Flag Valid data market
40 Byte Number of channels Number of measuring channels of current instrument
41 Byte Number of relays Number of relays of current instrument
42 Byte Value from EEPROM Value of Profibus card parameters stored in its EEPROM
43
Byte Index Value increasing upon every data transmission
OM Profibus card parameters stored in EEPROM
Addr. Record
value
Function Manufact.
value
Note
3 131 TimeOut -
OM xxx
4
197…260 ms
Delay for reporting errors in communication with OM xxx instruments
X * 66 ms (inaccuracy from X – 1 to X)
4
132
TimeOut -
Profibus
76
aprox. 5 s
Delay for reporting errors in communication to ProfiBus
X * 66 ms (inaccuracy from X – 1 to X)
5
133
Transmiss.
delay
8
aprox. 0,6 s
Delay used for downloading in cycles or display projection
(66…131 ms) + X * 66 ms
6 134 Unused (Only for OMX ProfiBus)
7 135 Unused (Only for OMX ProfiBus)
8 136
Error display
“PB OFF”
0
0 - in the event of an error on the PROFIBUS line, the „PB OFF“ message
is permanently displayed on the instrument display
1 - If an error occurs on the PROFIBUS line, the „PB OFF“ message
appears once on the instrument display
2 - the error on the PROFIBUS line is indicated only by the LED
9 139
Setting the
length of the
received and
transmitted
telegram
1
0 - NoLim_1xvalue input 16B output 12B
1 - NoLim_5xvalue input 16B output 28B
2 - NoLim_9xvalue input 16B output 44B
3 - Limits_1xvalue input 16B output 12B
4 - Limits_5xvalue input 16B output 12B
5 - Limits_9xvalue input 16B output 12B
10…29 138…147 Reserve
May be used to record values
(Max. 100 000 records (100k Write Cycles))