Detailed Description
2.1 Various interface signals and functions (A2)
NC/PLC Interface Signals (Z1)
2-2 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2.1.2 Selection/status signals from MMC to PLC (DB10)
DB10
DBX103.0
MMC alarm is active
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
At least 1 MMC alarm (alarm numbers 100 000 to 105 999) is active.
Signal state 0 or
edge change 1 → 0
No MMC alarm is active.
DB10
DBX103.5
AT box ready
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
The AT box for expansion modules is ready.
Signal state 0 or
edge change 1 → 0
The AT box is not ready. An expansion module conforming to the AT specification has either no
functionality or restricted functionality.
References /BH/ Operator Components, Manual; Chapter: "PCU 50 components, spare parts"
DB10
DBX103.6
MMC temperature limit
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
The ambient conditions of the MMC 101/102 limits are within the permissible tolerance range of
5 to 55 degrees C.
Signal state 0 or
edge change 1 → 0
The MMC temperature limit was either fallen below or exceeded.
The MMC temperature monitoring has responded and disabled the MMC.
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