Siemens SINUMERIK 840D Description Of Functions page 387

11.03
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Description The structure of the PLC program is identical to that of the NCK-SPL. The
additional acknowledgement of the EMERGENCY STOP ("SPL".
QUIT_MARKER /DB18.DBX70.4) and the individual tests of the stop functions
are described in detail in Chapter 7.3.6 "Test stop".
On the PLC side the power contactor K1 is controlled using the last two
instruction lines.
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
"SPL".STOP_A_S
M 216.3
"SPL".STOP_A_ABWS
"SPL".NOT_HALT
M 216.2
"SPL".STOP_C_ABW
M 216.1
M 218.7
"SPL".STOP_D_ABW
"SPL".NOT_HALT
"SPL".NOT_HALT1K
7 Configuring example
7.3 Safety Integrated with SPL
// STOP A: Spindle C
// Test external STOP A (FC 97)
// De-select STOP A (C)
// EMERGENCY STOP signal internal
// Test: External STOP C (FC 97)
// De-select STOP C (X,Z,C)
// Test: External STOP D (FC97)
// STOP D dynamized (FC 97)
// De-select STOP D (X,Z,C)
// EMERGENCY STOP pressed
// EMERGENCY STOP contactor K1
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