Siemens SIMATIC TIWAY 1 - Manual (Page 140)

HOST COMMAND SET REFERENCE
UNILINK HOST ADAPTER 5–55
USER MANUAL
Option–09 = This parameter defines the number of Network Manager
buffers to allocate to an HIU that is brought online after being
detected by the background monitor feature. Bits 1 to 15
represent the binary value for the number of Network Manager
buffers to allocate as shown in Figure 5–9. Buffers must be
allocated to an HIU before it can start issuing directives. If you do
not specify a default number of NM buffers with this option, you
can explicitly allocate NM buffers to each HIU with the
ALLOCATE NETWORK MANAGER BUFFERS command, code
34 or use the default of one-fourth the number of buffers
available.
This option also specifies whether an HIU can issue the network
DISCONNECT command. The DISCONNECT permission is
enabled by setting Bit–0 to 1.
1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0
Bits 1-15, Number of NM Buffers To Allocate
Bit 1, 1 = Permission To Issue DISCONNECT
0 = Not Permitted To Issue DISCONNECT
MSB (0) LSB (15)
Figure 5–9 Option 09 Bit Map
Option–0A = This parameter defines the Poll delay or the minimum delay
between the receipt of a Primitive by a secondary and the first
Network Manager poll for the Primitive response. The value is in
milliseconds and ranges from 0 to 5,000 (0000 hex to 1388 hex) in
increments of 10 ms. If a value is specified that is not an
increment of 10 ms, it will be rounded down to the next lower
increment of 10. The default is 40 ms.