SIEMENS
3.2/15
Siemens PM 21 · 2017
SIMOTION system components
I/O components
Other I/O components
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Overview
(continued)
Other I/O components
ADI 4 Analog Drive Interface for 4 Axes and IM 174 Interface Module
The ADI 4 Analog Drive Interface for 4 Axes and the IM 174 Interface Module can be used to connect drives with
an analog ±10 V setpoint interface.
The IM 174 Interface Module also allows stepper drives with a pulse/direction interface to be connected.
Application
Up to four drives with an analog setpoint interface can be operated on each of these modules. The isochronous
PROFIBUS DP is used for coupling to SIMOTION.
The following can be connected:
• Electric servo drives with analog ±10 V setpoint interface
• Hydraulic drives with analog ±10 V setpoint interface (e.g. for servo-hydraulic valve)
• Stepper drives with pulse/direction interface (IM 174 Interface Module only)
ADI 4 and IM 174 can also be used for "external encoders", where at least one axis must be created.
Mixed operation of the 4 drive interfaces is possible.
Interfaces
Display and diagnostics
Onboard status display via 4 diagnostics LEDs
Drive interfaces
• 4 analog outputs ±10 V for connecting drives with analog setpoint interface
• For IM 174 only: 4 interfaces for controlling stepper drives with or without encoder connection
• 4 relay contacts for drive enable of axes 1 to 4
Encoder interfaces
• 4 encoder inputs for position sensing. Each input can be connected either to an RS422 incremental encoder or
to an SSI absolute encoder.
Encoders with SINE/COSINE signals (1 V
pp
) can be connected using external pulse shaping electronics (EXE),
which convert the signals to the 5 V TTL level.
Communication
• PROFIBUS DP interface with Motion Control functionality (isochronous, max. 12 Mbit/s)
Digital inputs and outputs
• 10 DI, 24 V DC (e.g. for BERO, measuring inputs and Drive Ready signal)
• 8 DO, 24 V DC, 0.5 A (e.g. for drive enable)
Additional interfaces
• 2 relay contacts with Ready signal
An external power source (24 V DC) is required for supplying power to the module and digital outputs. All
connections are located on the front panel.
Function
The following functions are available in connection with SIMOTION:
• Speed-controlled axes
• Position-controlled axes
• External encoder for SIMOTION (at least one axis must be configured.)
• Homing via BERO or
• Homing via zero mark (non-distance-coded zero marks/reference marks)
• Measuring via Sensor 1 and Sensor 2 (one edge, rising or falling)
Integration
The modules are not certified PROFIBUS DP standard slaves and can therefore only be used in combination with
controllers intended for this purpose (e.g. SIMOTION C/P/D). For example, the modules do not support acyclic
communication and the I/O interfaces can only be used in combination with the encoder or drive functions.
ADI 4 and IM 174 must be operated on an isochronous PROFIBUS DP.
Supported PROFIBUS DP cycles:
• ADI 4: 1 ms and above (isochronous, max. 12 Mbit/s)
• IM 174: 1.5 ms and above (isochronous, max. 12 Mbit/s)
For information on the ADI 4 Analog Drive Interface, see also Catalog NC 62.
For information on the IM 174 Interface Module, see also Catalog ST 70.
© Siemens AG 2017