Siemens SINUMERIK 840C - Basic Signals

12.93 5 PLC Interface
5.2 Basic signals
5.2 Basic signals
7 6 5 4 3 2 1 0
Bit No.
Byte No.
FY 0
Flashing
frequency
0.5 Hz One Zero
FY 1
FY 2
OB 7 OB 6 OB 5 OB 4 OB 3 OB 2 OB 1
FY 3
OB 7 OB 6 OB 5 OB 4 OB 3 OB 2 OB 1 OB 20
FY 4
OB 7 OB 6 OB 5 OB 4 OB 3 OB 2 OB 1
FY 5
Addressing
error
detection
Segment
overwrite of
block
Info bit
for alarm
concept
2)
PLC
number
1)
FY 6
OB 7 OB 6 OB 5 OB 4 OB 3 OB 2
Group
signal
LIM/SIM
PLC auxiliary signals
No. of current machining plane (OB No.)
B a s i c s e t t i n g
C o l d r e s t a r t
P a r a m e t e r t e s t
P r o c e s s i n g d e l a y
7 6 5 4 3 2 1 0
Bit No.
Byte No.
FY 7
FY 8
Interrupt
input
7
Interrupt
input
6
Interrupt
input
5
Interrupt
input
4
Interrupt
input
3
Interrupt
input
2
Interrupt
input
1
Interrupt
input
0
FY 9
Interrupt
input
7
Interrupt
input
6
Interrupt
input
5
Interrupt
input
4
Interrupt
input
3
Interrupt
input
2
Interrupt
input
1
Interrupt
input
0
FY 10
Interrupt
input
7
Interrupt
input
6
Interrupt
input
5
Interrupt
input
4
Interrupt
input
3
Interrupt
input
2
Interrupt
input
1
Interrupt
input
0
FY 11
PLC ready signals
Interrupt inputs 1 for interrupt byte 1
Interrupt inputs 2 for interrupt byte 2
Interrupt inputs 3 for interrupt byte 3
Interrupt inputs for interrupt 4 and central interrupt byte to INT-PLC
________
1) Always ”1” for 840C
2) SW 3 and higher
© Siemens AG 1992 All Rights Reserved 6FC5197- AA60 5–13
SINUMERIK 840C (IA)