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SINUMERIK 801 2-15
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2.3.1 Power supply for CNC - X1
General The 24V DC load power supply unit required for supplying CNC is connected
to 3-pin screw-type terminal block.
Table 2-2 The load power supply for CNC (X1)
Terminal Signal Description
1 PE Protective earth
2 M 0V
3 P24 DC24 V
2.3.2 RS232 interface - X2 (RS232)
General When external PC/PG is required to make data communication (WINPCIN)
with the SINUMERIK 801, use RS232 plug connector (9 pin SUB-D).
Table 2-3 RS232 interface X2
Pin Name Type Pin Name Type
1 n.c. 6 DSR I
2 RxD I 7 RTS O
3 TxD O 8 CTS I
4 DTR O 9 n.c.
5 M VO
1
5
6
9
Signal description:
RxD Receive Data
TxD Transmit Data
RTS Request to send
CTS Clear to send
DTR Data Terminal Ready
DSR Data Set Ready
M Ground (0V)
Signal level RS232
Signal type
I Input
O Output
VO Voltage output
Cable for WinPCIN Table 2-4 Cable for WinPCIN: Pin assignment of the Sub-D connector
9-Pin (801) Name 25-Pin (PC)
1 Shield 1
2 RxD 2
3 TxD 3
4 DTR 6
5 M 7
6 DSR 20
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