Siemens SIMATIC TIWAY 1 - Manual (Page 95)

HOST COMMAND SET REFERENCE
UNILINK HOST ADAPTER 5–10
USER MANUAL
CAUTION
You should not issue the BROADCAST
NETWORK DATA TRANSFER command if your
network contains Intelligent Tank
Transmitters (ITTs) as secondary devices, or
you could lose responses. Also, sending a
BROADCAST NETWORK DATA TRANSFER
command when your adapter is configured as
either an MHIU or an HIU will cause a network
HDLC error to be logged even though the
information was received. This error will be
included in the statistics from the READ
SECONDARY DIAGNOSTICS, REPORT HIU
STATUS, REPORT NETWORK MANAGER
SECONDARY STATISTICS and the REPORT
NETWORK MANAGER NETWORK
STATISTICS commands.
Command: 02 pppp...
Response: 02
Usage: OPERATION
Modes: MHIU/EHA, HIU/EHA, MHIU, HIU
Parameters:
pppp The TIWAY I Primitive request. This parameter begins with the
length field of the Primitive.