YASKAWA VIPA System SLIO Manual page 322

Analog Input
031-1PA00 - AI1x 3Ph 230/400V 1A > Process data communication
Response
Byte Value
B0 0x10
B1 ...
B2 ...
B3 ...
D00 ...
...
D11
Example 'Read Value'
Request
Byte Value
B0 0x10
B1 0x0E
B2 0x01
B3 0x00
D00 -
...
D11
Response
Byte Value
B0 0x10
B1 0x0E
B2 0x21
B3 0x00
D00 0x00
D01 0x23
322
Description
Ä 'Status communication' on page 319
n Bit 3 ... 0:
n Bit 6 ... 4: 001 Telegram type 'Read Value'
n Bit 7: 0 fix reserved
n ID of the measurand from the request
Length of the user data with measured values in byte
n
n DS-ID of the measured value from the request, which was read
Ä 'Common status' on page 320
n
n User data with the requested measured value
n Byte order: high byte, low byte (big endian)
In the example with ID = 14 the temperature of the module for DS-ID = 1 is requested.
Description
Telegram type 'Read Value'
Ä 'ID' on page 309 of the measurand
Ä 'DS-ID' on page 309 of the measured value to be read (DS-ID = 1)
Common status (not relevant)
User data (not relevant)
Description
Telegram type 'Read value' from the request
ID of the measurand from the request
Length of the user data here temperature 2 byte
DS-ID of the measured value from the request, which was read
Ä 'Common status' on page 320: OK
User data with the requested temperature e.g. 35°C
VIPA System SLIO
HB300 | SM-AIO | | en | 17-05