Yokogawa DR240 Manual do Utilizador Página 40

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4-11
IM DR231-11E
Overview and Specifications of Ethernet Interface
4
The alarm status indicates two levels with one byte.
1 byte
Level2 Level1
Upper Byte
Lower Byte
1 byte
Level4 Level3
Upper Byte
Lower Byte
D1 to Dn, H1 to Hn: Alarm status (level 3, 4) (No output when p1 is 0)
Contents and format are the same as level 1 and 2.
E1 to En: Fixed to 80H
F1 to Fn: Computation channel number
The measured/computed data are output in the order specified by the
EB command.
Measured data
7FFFH (7FFF7FFFH): Positive over-limit data
8001H (80018001H): Negative over-limit data
8002H (80028002H): Measurement range setting skips.
8004H (80048004H): Abnormal data
8005H (80058005H): No data
*Data inside the parentheses ( ) are computed data.
EL Specifies the channel for outputting unit and decimal point informa-
tion and outputs it in ASCII format
Mode Operation mode
Syntax ELp1, p2<terminator>
p1 First channel to output (001 to 560, or A01 to A60)
p2 Last channel to output (001 to 560, or A01 to A60)
Description A01 to A60 correspond to computation channels (A01 to A30 for the stand-alone
type).
The data of expansion type channels that are not connected are not output.
If there are no corresponding channels, E1 is returned.
The unit and decimal information is not determined if measurement channels are
skipped or if abnormal data exist.
The output format is as follows.
S1S2CCCUUUUUU, PCrLf
S1: Space (fixed)
S2: Data status
Space Intermediate data
E Last data
CCC: Channel number (3 characters)
001 to 560 or A01 to A60
UUUUUU: Unit(6 characters)
P: Decimal point position
0 00000
1 0000.0
2 000.00
3 00.000
4 0.0000
EB Specifies the byte order of output.
Mode Operation mode
Syntax EBp1<terminator>
p1 Byte order of output
0 MSB first (Default setting)
1 LSB first
Description Sets the byte order of the binary data of the measured/computed data that are
output with the EF command.
Since the DR determines the upper byte and lower byte in units of two bytes, four-
byte data are output as follows.
MSB first: ABCD
LSB first: BADC
4.7 Transferring the Instantaneous Values
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