10.03
E-277
 Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
Appendix A to EC Declaration of Conformity No. E002 V 25/02/99 
A16: Typical plant configuration 
SINUMERIK 840D/SIMODRIVE 611D with 
closed-loop hydraulics module (HLA)
S All components which are designated in the Ordering Information as approved for operation in a
combined SINUMERIK 840D/SIMODRIVE 611D installation comply with Directive 89/336/EEC
when operated in an installation of this type.
S For conformity to the standards, see Appendix C.
Note:
The sketch of the system configuration shows only the basic measures required to ensure that a typical system
configuration conforms to directive 89/336/EEC. 
In addition, and especially if the system configuration deviates from this typical model, the installation guidelines for
EMC-compliant system design in the product documentation and the EMC design guidelines for SINUMERIK,
SIROTEC and SIMODRIVE 
(order no.: 6FC5297-0AD30-0BP0) must be carefully observed and implemented.
Fil-
ter
Supply terminal
Metal cabinet
 
Operator panel
Machine
control panel
840D
611D
with
HLA
Fil-
ter
*)
**)
*)  On I/RF module
**)On OI module
Setpoint
Actual pressure
 Actual position
Hydraulic valve control
Throttle
*)
E EC Declaration of Conformity
02.99