Switching Between The Mailbox And The Data Images; Switching To The Io Data Images; Switching To The Mailbox - Pepperl+Fuchs VBG-CCL-G4F Manual

RWrn+11
Bit
0 Input 0, AS-i Slave 12B
...
15 Input 3, AS-i Slave 15B
8.1

Switching between the Mailbox and the Data Images

The default value for RYn4 and RYn5 is 0.
So the input data image and the output data image are shown at the RW.
8.2

Switching to the IO Data Images

1. Set RYn5. The gateway will recognize this and not use the RW as output and
input data for the ASi slaves. The output data will be the last data before RYn5
was set. The gateway will set RXn5.
2. After RXn5 was set by the gateway the user can select the way he wants to use
the RW memory, using RYn4. In this case RYn4 will be set to 0 (IO data imag-
es).
3. Wait until the gateway confirms this by setting RXn4 to the same value as
RYn4.
4. Write the correct data to the RW memory. RXn4 = 0 (IO data image): set output
data for the AS-i slaves
5. After the data was written, reset RYn5. The gateway will reset RXn5 and use
the RW memory in the way RXn4 shows.
8.3

Switching to the Mailbox:

1. Set RYn5. The gateway will recognize this bit and not use the RW as mailbox.
Then the gateway set RXn5.
2. After RXn5 was set by the gateway the user can select the way he wants to use
the RW memory, using RYn4. In this case RYn4 will be set to 1 (mailbox).
3. Wait until the gateway confirms this by setting RXn4 to the same value as
RYn4.
4. Write the correct data to the RW memory: RXn4 = 1 (mailbox): write mailbox
data to RW
5. After the data was written, reset RYn5. The gateway will reset RXn5 and use
the RW memory in the way RXn4 shows.
Subject to reasonable modifications due to technical advances.
30
Pepperl+Fuchs Group · Tel.: Germany (6 21) 7 76-0 · USA (3 30) 4 25 35 55 · Singapore 7 79 90 91 · Internet http://www.pepperl-fuchs.com
CC-Link User Interface
Description
Copyright Pepperl+Fuchs, Printed in Germany
AS-Interface