01/2007
8.6 DP slave: MCP 310
8-206
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
Notice
In the event of the failure of a machine control panel connected via MPI, the
following alarm is triggered by the PLC basic program:
S Alarm ”40026x machine control panel (x+1) failure”; with x = 0, 1
If the machine control panel is being operated as a DP slave, the user
(machine manufacturer) is responsible for triggering a corresponding alarm.
8.6.6 Input/output image
A key and the LED positioned above it form a logical unit. The key and the LED
have the same number.
S Key: Sxy = Key number xy
S LED: LEDxy = LED number xy
Fig. 8-20 shows the arrangement of keys and LEDs on the machine control
panel together with their internal designation. For the sake of clarity, the LED
designations are not shown in full.
S19 S20 S07 S33 S34 S48 S49 S50
S16 S17 S18 S06 S30 S31 S45 S46 S47
S13 S14 S15
S10 S11 S12
S09 S01 S02
S05 S27 S28
S04 S24 S25
S03 S21 S22
S42 S43 S44
S39 S40 S41
S36 S37 S38 Key
LEDs
LED01 LED02LED09 LED21 LED22LED03 LED37 LED38LED36
S35
S32
S29
S26
S23
LED23
Fig. 8-15 Designation of keys and LEDs
Arrangement:
Keys and LEDs
8 PROFIBUS DP Communication
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