In‐
dex
Parameter Name Data
Type
Access Annotation
18 COMMAND Un‐
sign‐
ed8(2)
Read /
write
Command invocation
Byte 0: Command
Bit 0: Start zero point adjustment
Bit 1: Freeze process values
Bit 2: Force outputs
Byte 1: Command Validity Mask
Bit coded information to indicate which bit or bits are valid to be processed
by the device.
Bit 0: process “Start zero point adjustment” command
Bit 1: process “Freeze process values” command
Bit 2: process “Force outputs command”
The command bit is only processed if the corresponding mask bit is set.
Otherwise the command information is ignored.
The concurrent access could happen if an acyclic master sets up a write
request while the cyclic master is connected and provides also command
data. The acyclic write request is processed but could be overwritten by
the cyclic master if the validity bit in scope is set.
19 COMMAND_STA‐
TUS
Un‐
signed8
Read only Command Status
Bit 0: Zero point adjustment processing
Bit 1: Process values are frozen
Bit 2: Outputs are forced
Table 2-20 Dosing block, SLOT 15
In‐
dex
Parameter Name Data
Type
Access Annotation
16 BLOCK_OBJECT DS-32 Read only Constant block information
17 CURRENT_MODE Un‐
signed8
Read only Fixed to automatic (8)
18 BATCH_STATE Un‐
signed8
Read only 0: batch stopped
1: batch running
2: batch paused
3: cleaning (all valves are set to "open valve")
19 BATCH_COM‐
MAND
Un‐
signed8
Read /
write
Used to control a dosing cycle:
1: start batch
2: stop batch
3: pause batch
4: resume batch
5: start cleaning
Reading this parameter returns 0
Communication
2.10 Acyclic communication
FCT030 Profibus (From firmware 4.0)
Function Manual, 06/2018, A5E39931906-AB 61
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