3 Hardware 02.2001
© Siemens AG 2001 All Rights Reserved
3
-28 SINUMERIK 840Di System Overview (SYI) - 02.2001 Edition
Typical fields of application are:
• Servo axes in handling devices
• Independent positioning axes in ma-
chines
• Auxiliary axes in machine tools
SIMODRIVE POSMO CD/CA
SIMODRIVE POSMO CD (without mains
infeed) and SIMODRIVE POSMO CA (with
mains infeed) are complete converter and
control units. They provide both a digital
speed setpoint interface (Motion Control
with PROFIBUS DP) and a comprehensive
integrated positioning functionality.
The connection of the supply voltage is provided via a mains infeed of
600 V DC (with CD) or directly via a 3AC 400 V - 480 V power supply (with CA).
The 24 V DC electronic power supply is generated distributed in the device.
Typical fields of application are:
• High-performance servo applications in packaging, textile and woodworking
machines
• Feed axes on machine tools
Analog drive systems
Drives with an analog setpoint interface can be connected to PROFIBUS DP via
the interface module ADI4 (Analog D
rive Interface for 4 Axes). The interface mod-
ule provides the following features:
• PROFIBUS-DP interface
• 4 servo interfaces
- Inputs: TTL/SSI for incremental or absolute measuring systems
- Outputs: ±10V analog
- Drive-specific digital input/output signals
Fig. 3-11 SIMODRIVE POSMO CD/CA
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