15
6.2.7 I/O interfaces
6.2.7.1 Voltage supply for I/O interfaces
IMPORTANT
24V external: The integrated I/O module of the AST40 must be fed
with 24V DC to use the inputs / outputs as well as the
emergency stop circuit.
This is done by feeding 24V DC via the pins 2/3 and
21/22 at plug connector GX2 (interface SPS ) or via
pins 3 and 4 at plug connector GX9 (emergency
stop).
24V internal:
Internal 24V DC of the AST40.
This output may be loaded with max. 150 mA.
6.2.7.2 Interface SPS 1
Designation: GX2
Plug connector: SUB-D 37-pole (bushing)
Pin Designation Type Pin Designation Type
1 24V internal - 20 GND internal (HGND) -
2 24V external - 21 GND external (GND) -
3 24V external - 22 GND external (GND) -
4 Program selection 0 Input 23 Not in use Input
5 Program selection 1 Input 24 Program selection 4 Input
6 Program selection 2 Input 25 Program selection 5 Input
7 Program selection 3 Input 26 Program selection 6 Input
8 external stop, digital Input 27 Start Input
9 external stop, analog Input 28 ready Outlet
10 Not in use Input 29 OK Output
11 System OK (MC + PU) Output 30 NOT OK Output
12 Emergency stop1 active (STO1) Output 31 Status MC Reserve Output
13 Emergency stop2 active (STO2) Output 32 Sequence 1 Input
14 Screwdriving cycle active Output 33 Sequence 2 Input
15 Status PU Reserve Output 34 Sequence 3 Input
16 Sequence 1 Output 35 Sequence 4 Input
17 Sequence 2 Output 36 Sequence 5 Input
18 Sequence 3 Output 37 Sequence 6 Input
19 Sequence 4 Output
Table 4: Configuration I/O interface SPS1
CAUTION
Maximum load per output of 50 mA. The total current for all the interfaces
must not exceed 600 mA.
LED Pin Designation
1 11 System OK (MC + PU)
2 28 ready
3 29 OK
4 30 NOT OK
5 12 STO1
6 13 STO2
Table 5: Assignment of LEDs to pins at interface SPS1
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