Action of the master
Reaction of the PR 5220
Acknowledge the "set bit" (see Chap-
ter
Set the
CmdBusy
bit.
The operation is processed.
In the event of an error: Set the
CmdError
bit and the
LastError
byte.
Reset the
CmdBusy
bit.
Wait until
CmdBusy
has been reset.
Check the
CmdError
bit.
If set, read
LastError
.
This is applicable to taring, zero setting etc. over the fieldbus.
Example: Reading the gross weight
The master writes value 8 in
Read_Value_Select
(byte 4) of the input area.
Input section
Byte
Name
Description
0
1
2
3
4
8
Gross
5
6
7
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The master waits until value 8 is reflected in
Read_Value_Selected
(byte 4) of the output
area.
Output area
Byte
Name
Description
0
00
Gross value
1
00
Gross value
2
4
Gross value
3
D2
Gross value
4
8
Gross weight request detected
5
Status
Transmitter Series PR 5220
12 Fieldbus interface
Minebea Intec
EN-196
Содержание PR 5220 Series
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