Siemens SIMATIC TIWAY 1 - Manual (Page 124)

HOST COMMAND SET REFERENCE
UNILINK HOST ADAPTER 5–39
USER MANUAL
5.4.11 Report HIU Bandwidth Allocation — 1A
The REPORT HIU BANDWIDTH ALLOCATION command returns the HIU
bandwidth allocation defined in the ALLOCATE HIU BANDWIDTH command.
It also returns the number of I–Frame pairs and the number of data bytes sent
and received by each type of macro. The first set of statistics corresponds to
repetitive macros and the second set to non-repetitive macros. The counters
stop incrementing after reaching their maximum value and must be reset with
the reset code.
Command: 1A (rr)
Response: 1A (hh ll nn [iiiiiiii ssssssss rrrrrrrr])
Usage: PERFORMANCE
Modes: MHIU, HIU
Parameters:
rr The reset counters code.
00 = Do not reset the counters.
01 = Reset the counters, but do not return any statistics.
hh The number of Network Manager buffers allocated to the HIU.
This number will be zero until the HIU is initialized.
ll The maximum number of repetitive macros that can be executing
at one time. This number will be zero until the HIU is initialized.
nn The number of outstanding requests per secondary. This number
will be zero until the HIU is initialized.
iiii The number if TIWAY I HDLC I–Frame pairs sent and received
by the macro. The term I–Frame pair refers to the fact that every
Primitive has an I–Frame command and response pair. This
count does not include the I–Frames required for Network
Manager to HIU communication.
ssss The number of TIWAY I HDLC I–Frame bytes sent by the macro.
This count only contains the data bytes of the I–Frame and none
of the HDLC overhead.
rrrr The number of TIWAY I HDLC I–Frame bytes received by the
macro. This count only contains the data bytes of the I–Frame
and none of the HDLC overhead.