Siemens SINUMERIK 840D Description Of Functions page 27

02.99
A
B
Hydraulic drive, axis 1
Position measur-
ing system
Pressure sensor
Servo solenoid
valve
M
Electronics ground
PV1
+
Shutoff valve, axis 1
MV1 –
Reserved, do not use!
C1
+
P24
Supply 26.5 V external
M24 –
Power enable at term. 663
663
9 Internal +24 V enabling voltage
Device bus interface (X151)
1) Only required if external 26.5 V is not electrically separated safely!
Fig. 2-4 Connection configuration for HLA module
 Siemens AG 2000. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital Descr. of Functions HLA Module (FBHLA) – 04.00 Edition
2.2 Integration in SINUMERIK 840D/SIMODRIVE 611 digital
Servo solenoid
valve
Pressure sensor A
Pressure sensor B
Position sensor
Shutoff valve
Axis 1 HLA
B B
A A
X431
Drive bus
Servo solenoid
valve
Pressure sensor A
Pressure sensor B
Position sensor
Shutoff valve
Hydraulic drive, axis 2
Axis 2
Position measuring
system
B
A
Pressure sensor
Servo solenoid
valve
X432
–X35
–X34
M
Electronic ground
PV2
+
Shutoff valve, axis 2
MV2 –
Reserved, do not use!
C2
BERO input, axis 1
B1
Internal 0 V enabling voltage
19
B2 BERO input, axis 2
9
Internal +24 V enabling voltage
Drive bus/drive bus terminator
on last module
2 Configuring
A
B
1)
2-27