Orbit Merret OM PROFI, Руководство пользователя

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USER MANUAL OM PROFI | 7
DESCRIPTION
OF COMMUNICATION
2.
Telegram transmitted into OM instrument
(older version or selection of GSD file in menu - OLD)
Addr. Data type Function Note
0 Byte „Function“ Defines „Function“ (the Profibus card‘s behaviour mode)
- downloading setting limits
- displaying values Float (Real)/Signed Long
- displaying texts
- sending OM ASCII commands
1 Byte Adress = 00 00 (used only with OMX Profibus)
2…5 Float Display value Decimal number, which is displayed through functions 10 to 15, 20
2…5 signed long Display value Integer number with 4 byte sign, which is displayed through function 30
6…37
8x Float Value of limits 1…8
Values to which limits are set in current instrument by means of confi-
guration byte „Relay Mask“
6…37
32x Char OM Command
Text of command for OM instruments sent by functions 129, 130, 229
and 230
38…45 8x Char Display text Text displayed on OM instrument through function 100
46…49 Float Rezerva
50
Byte
Fu Address
EEPROM
Downloading / recoding Profibus card paramters stored in its EEPROM
(< 128 = downloading, >127 = rec downloading)
51 Byte Value to EEPROM Value to which Profibus card parameter is to be set in EEPROM
52 Byte Relay mask Permission to change limit values 1 to 8 as per significance of bits 0 to 7
53 Byte Reserve
2.2.3 OM PROFIBUS MODES AND DATA STRUCTURE OF RECEIVED AND TRANSMITTED TELEGRAM - OUT
Telegram transmitted from OM apparatus
Addr. Data type Function Note
0 Byte „Function“ Mirrorred value of set “Function”
1 Byte „Adress“ Mirrorred value of set Address
2
Byte 1
Identified number of connected OM xxx instruments (used only with
OMX Profibus)
3 Byte Flag Valid data market
4 Byte Number of channels Number of measuring channels of current instrument
5 Byte Number of relays Number of relays of current instrument
6 Byte Value from EEPROM Value of Profibus card parameters stored in its EEPROM
7 Byte Index Value increasing upon every data transmission
The following values are valid only when selecting GSD file types in the instrument
(MENU/OUTPUT/DATA/GSD)
)
8…11*
8…27**
8…43***
1x Float*
5x Float**
9x Float***
Value of channels 1…9 Value of measuring channels of OM xxx instrument in 0 mode
8…11*
8…27**
8…43***
4x Char*
5x Char**
9x 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
* when selecting the GSD file setting in the instrument menu to “1 Channel” or “1 C Limit”
** when selecting the GSD file setting in the instrument menu to “5 Channels” or “5 Ch Limit”
*** when selecting the GSD file setting in the instrument menu to “9 Channels” or “9 Ch Limit”