Softing echolink one2PROFINET Instruction Manual page 25

Implemented protocols in echolink one Softing Industrial Automation GmbH
The following 7 byte are stored in the echolink one, the rest is not overwritten.
With FC1 and the coil length = 80 (10 Bytes) a Modbus Master reads out the following data:

The fieldbus output data is only updated if it's triggered via a write command from the RS side.
For example via FC 5 :

Address 0002 stays unchanged on 0, however, the fieldbus output data is updated.
After a reset they are NULL (1st row) at first and are then updated (2nd row):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ... 

1F 01 02 03 04 05 06 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00... 
The 1. byte is the fieldbus length byte. It contains the number of usable characters, followed by
the payload. The user data (internal buffer) is no bigger than1024 byte. 
In the following example the Bit (Coil) in Address 0002 is set to High (1):

The fieldbus data is updated:
1F 03 02 03 04 05 06 07 00 00 00 00 00
25 echolink one2PROFINET V. 1.0 15.1.15