User guide

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
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Step 6

On entering the OPERATIONAL state, the status of the inputs is transmitted once.
In OPERATIONAL state, the BUS LED lights up steady green.
MASTER Example:
Identifier = 0
Length = 2
Data = 01 00 xx xx xx xx xx xx hex (xx: don’t care)
Identifier = 0
Length = 2
Data = 01 00 hex
SLAVE (only PDO1 shown!) Example:
Identifier = 180 hex + set address (e. g.: 181hex at Adr. 1)
Length = 8
Data = yy yy yy yy yy yy yy yy hex (yy: status of the inputs )
Identifier = 181
Length = 4
Data =
00 01 00 00 00 00 00 00 hex,
when input 9 is set
Step 7

MASTER (only PDO1 shown!) Example:
Identifier = 200 hex + set address (e. g.: 201 hex at Adr. 1)
Length = 8
Data = yy yy yy yy yy yy yy yy hex (yy:output value)
Identifier = 201
Length = 8
Data =
55 55 55 55 55 55 55 55 hex,
for every 2. output
Step 8

Transmission of the input status is event controlled (depending on the configuration; cf. object 1800 hex).
A message is transmitted at every change in the output state.
SLAVE (only PDO1 shown!) Example:
Identifier = 180 hex + set address (e. g.: 181hex at Adr. 1)
Length = 8
Data = yy yy yy yy yy yy yy yy hex (yy: status of the inputs )
Identifier = 181
Length = 4
Data =
00 01 00 00 00 00 00 00 hex,
when input 9 is set
Step 9

This command sets the node back to the PRE-OPERATIONAL state. The boot up message is no longer
sent in this case (see step 5).
MASTER Example:
Identifier = 0
Length = 2
Data = 80 00 xx xx xx xx xx xx hex (xx: don’t care)
Identifier = 0
Length = 2
Data = 80 00 hex