4 active command codes in each mode, Host command set reference, Table 5–1 secondary addresses – Siemens SIMATIC TIWAY 1 User Manual

Page 90: Figure 5–3 active command tree

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HOST COMMAND SET REFERENCE

UNILINK HOST ADAPTER

5–5

USER MANUAL

Table 5–1 Secondary Addresses

Decimal

Address

0

1–254

255

Hexadecimal

Address

00

01–FE

FF

Usage

Reserved for special functions,
refer to individual commands.

Available for secondary device
addresses.

Reserved for special functions,
normally used to indicate all
secondary devices are to be
effected by the command.

5.1.4

Active Command Codes In Each Mode

Figure 5–3 is a decision tree illustrating the command codes that are active in
each configurable mode. In addition to mode, the command tree asks whether
the major components have been configured with their associated configuration
commands.

Power up

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

MHIU
EHA

HIU
EHA

NM

MHIU

HIU

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

1–8, 21, FC–FF

1–8, 20–21. FC–FF

1, 2, 4–8, 21,FC–FF

20, 21,FC–FF

21, 31–38, FC–FF

21, 30–32, 34–38, FC–FF

20, 21 FC–FF

1–2, 4–10, 12–1C, 21, 30–32, 31–38, FC–FF

6–8, 10–1C, 21, 30–32, 34–38, FC–FF

6–8, 10–1C, 21, 31–38, FC–FF

6–8, 10–1C, 21, 30–32, 34–38, FC–FF

1–2, 4–10, 12–1C, 21, FC–FF

6–8, 10–1C, 21, FC–FF

20, 21, FC–FF

Intended
Mode

Adapter
Configured
(Command 20)

HIU Configured
(Command 11)
and Initialized by
Network Manager

Active
Command
Codes

Network Manager
Configured
(Command 30)

Figure 5–3 Active Command Tree

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