Functions
3.2 Option handling with RESERVE modules
IM151-1 HIGH FEATURE interface module (6ES7151-1BA02-0AB0)
Manual, 03/2008, A5E01075975-02
31
Control interface PIQ (AB x to AB x+7):
You can use these bytes (8 bytes) to control the diagnostic behavior of the slots that you
enabled for option handling in the HW Config.
Only the slot bits enabled at parameter assignment for option handling are evaluated. They
are marked with "0".
Table 3- 1 Control interface
Slot Value of the bit Reaction
0 Parameter assignment for option handling applies. RESERVE
modules are allowed:
• The station is engaged in data exchange.
• A diagnostic is not signaled.
• The SF LED on the interface module is off.
2 to 63
1 Parameter assignment for option handling is cancelled.
RESERVE modules are not accepted on this slot:
• The station is engaged in data exchange.
• The diagnostic "Incorrect module" is signaled.
• The SF LED on the interface module is on.
Feedback interface PII (EB x to EB x+7):
The feedback interface (8 bytes) tells you which module is actually located on which slot.
All slots are reported. Even slots that were not enabled for option handling.
Table 3- 2 Feedback interface
Slot Value of the bit Reaction
0 Option handling is inactive 0
1 Option handling is active
0 The RESERVE module, an incorrect module, or a removed
module is on the slot.
1 to 63
1 The configured module is on the slot.
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