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Chapter 2 Definition and Connection of Interface Signal
413
Ⅲ
Connection
z
Signal connection
The interior circuit of SP/ST signal is shown in Fig. 2-48:
System
side
Input
singnal
Machine
side
Fig. 2-48
z
Control parameter
Bit parameter
1 7 2
MST MSP
Bit 6 =1: External cycle start signal (ST) is invalid;
=0: External cycle start signal (ST) is valid;
Bit 5 =1: External stop signal (SP) is invalid;
=0: External stop signal (ST) is valid; the external feed hold switch is needed,
otherwise, “Feed hold” is displayed.
z
External connection circuit
The external connection circuit of SP, ST signals is shown in Fig. 2-49:
Fig. 2-49
2.9.13 Cooling Control
z
Relevant signal (defined by standard PLC program)
Type
Sign Interface Address Function Remark
Output signal
M08
CN62.1
Y0.0
Cooling control output
M08
Cooing
ON
Command format
M09
Cooling
OFF
z
Signal connection
Its internal circuit is shown in Fig. 2-50:
CN61 socket
G
S
K
980TD
i
SP
+24V
ST
Normal-close contact without lock
