Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

6. AC SPINDLE (SERIAL INTERFACE) B–62755EN/016.2TABLE OF TESTPOINTS6.2.1Printed Circuit Board(A16B–2201–0440)Name Signal RemarksPA Pulse–generator phase A 90°advance for PB in a CW rotationVpp=0.36 to 0.5VPB Pulse–generator phase B 90° delay for PA in a CW rotationVpp=0.36 to 0.5VRA Phase–A reference voltage DC +2.5V to 0.2VRB Phase–B reference voltage DC +2.5V to 0.2VPAAS Signal with the amplitude 10times that of PA90° advance for PB in a clockwise direction,Vp–p =3.6 to 0.5VPBAS Signal with the amplitude 10times that of PB90 delay for PA in a clockwise direction,Vp–p =3.6V to 5.0VPAA A phase pulse waveform Duty 50% (ON/ OFF ratio)PBA B phase pulse waveform Duty 50% (ON/ OFF ratio)*ITP1 ITP pulse Synchronous signal from the CNCTRMSALSASerial data transmission signalMagnetic sensor outputMSA signalMagnetic sensor outputLAS signalThe high level of this signal indicates that serialdata is being transmitted from the CNCOne signal per rotationOne signal per rotation*LS LSA pulse signal One signal per rotationPAE2 Position–coder phase A Duty 50% (ON/ OFF ratio)PBE2 Posiiton–coder phase B Duty 50% (ON/ OFF ratio)PSE2 Position–coder phase Z 1 pulse/rotation*PELSPosition coder cable is brokenCLK1 Clock signal 8MHz, 50% dutyThe low level of this signal indicates that thewire is broken.VDC DC link voltage signal Voltage that is 1/100 of the DC link voltageSDCControl power DC link voltagesignal+24V +24V DC voltage +20V to +26V+15V +15V DC voltage +15V±4%+5V +5V DC voltage +5V±2%–15V –15V DC voltage –15V±4%0VVoltage that is 1/100 of the DC voltage of theinput power264