CHAPTER 4: ELECTRICS 4-11
ALPHA 538/552
(10) PLC inputs / outputs
Inputs Outputs
Input Des. Description Output Des. Description
X00 - Encoder signal Y00 - Servo on
X01 - Encoder signal Y01 - Synchro
X02 - Alarm signal Y02 KS Reset relay CE
X03 SQ1 Positioned stop Y03 KM1 Hydraulic pump
X04 SQ13 Auto front rest pulse signal (option) Y04 YV1 Measurement device
X05 - <Not in use> Y05 YV2A Channel open
X06 - <Not in use> Y06 YV2B Channel close
X07 - <Not in use> Y07 YV3 Channel locking
X10 K1 Emergency stop Y10 YV4 Clamping
X11 SP1 Air pressure Y11 YV5 Loading
X12 SP2 Hydraulic pressure Y12 YV6 Lower bar
X13 SQ2 Home position Y13 YV7 Air blast
X14 SQ3 Guiding channel opened Y14 YV8 Front rest (pneumatic type)
X15 SQ4 Guiding channel closed Y15 YV9 Inserting clutch
X16 - <Not in use> Y16 YV10 Bar insert / extract
X17 SQ6 Vice system Y17 YV11
2nd front rest on headstock
(option)
X20 SQ11 Main cover safety Y20 R1 R1 Alarm
X21 SQ10 Retraction safety Y21 R2 R2 loading cycle completed
X22 SQ12 Auto front rest reference (option) Y22 R3 R3 End Of Bar
X23 SQ14 Inserting clutch OFF Y23 R4 R4 Automatic mode
X24 SQ15 Inserting clutch ON Y24 R5 R5 Inching
X25 SQ16 Material extracting Y25 YV12 Eject
X26 SQ17 Material inserting Y26 KA1 Openings auto front rest (option)
X27 K10 Lathe door close Y27 KA2 Closings auto front rest (option)
X30 - <Not in use>
X31 - <Not in use> D+/D- COM3/COM2
X32 - <Not in use>
+24V/24
G
DC out
X33 - <Not in use>
X34 - <Not in use>
X35 - <Not in use>
X36 - <Not in use>
X37 - <Not in use>
X40 A1 Clamping device signal
X41 A2 Lathe in auto cycle
X42 A3 Feed order
X43 A4 Push order
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