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Chapter 2 Definition and Connection of Interface Signal
383
Ⅲ
Connection
z
Control parameter
Bit parameter
1
7
2
ESP
ESP =0: Check ESP signal
=1: Do not check ESP signal
z
PLC bit parameter
K 1 0
LMIT LMIS EXESP
LMIT =1: Travel limit check function of each axis is valid.
=0: Travel limit check function of each axis is invalid
LMIS =1: The system alarms for overtravel when the travel limit check signal is not connected
with +24V.
=0: The system alarms for overtravel when the travel limit check signal is connected with
+24V
EXESP =1:External emergency stop signa is valid
。
=0:External
emergency stop signa is invalid
。
z
Signal connection
The ESP signal circuit is shown in Fig.2-26:
Fig. 2-26 ESP signal circuit
z
Machine external connection
(1) The series connection between the emergency stop and travel switch is shown in Fig. 2-27:
Fig.2-27 Series connection between emergency stop and travel switch
(2) The separate connection between the emergency stop and travel switch is shown in Fig.
2-34B:
