Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual User Manual

Page 85

Advertising
background image

Publication 2706-UM016D-EN-P - March 2006

InView Protocol 4-19

Response: NONE

Disable the Heartbeat Function

Transmission:

Transmission for Disabling the Heartbeat Function

Response: NONE

Heartbeat Transmission

The following is the transmission for the heartbeat that is required for
the display once the heartbeat function is enabled.

Transmission for the Heartbeat

Response: NONE

TIP

See InView Display Communication Protocol
Functions and Descriptions on
for further
explanation of the InView sign protocol being used.

Beginning
of Frame

ADDR

FUNC

H.O.

ADDR

L.O.

ADDR

DATA

EOF

Ready to rec. resp

:

FF

01

00

64

^AZFF^BE00^D9D CR

LF

TIP

See section InView Display Communication Protocol
Functions and Descriptions on
for further
explanation of the InView sign protocol being used.

Beginning
of Frame

Data

EOF

Ready to rec. resp

:

00

CR

LF

TIP

Recommended interval to be transmitted: once every
500 ms.

Variable data or message data that is being updated
in the displays acts as a heartbeat for the No
Network Activity error message.

Advertising