Input/output modules
5-16 Hardware - SIMADYN D
Edition 12.2004
5.3 Expansion module IT41
6DD1606-3AC0
The IT41 expansion module provides
incremental encoder inputs and
analog and binary inputs and outputs
The expansion module is inserted on a CPU module (PM5, PM6). A
maximum of 2 expansion modules ITxx can be inserted on a CPU module.
An ITxx occupies 1 slot (in addition to the mounting slot of the CPU module
itself).
• 4 analog outputs
• 4 analog inputs
• 16 binary outputs
• 16 binary inputs
• 4 incremental encoders with monitoring tracks
• 1 alarm (interrupt) input for each incremental encoder
• 1 alarm (interrupt) reset output for each incremental encoder
Pulse
sensing 1/2
Pulse
sensing 3/4
T filter
Driver
50 mA- driver
Latch
Monitoring inputs,
alarm identification,
alarm reset
D
A
D
A
D
A
D
A
Dual
port
RAM
IT41
controller
Local expansion bus
P5 M P15 N15
Analog
outputs
Analog
inputs
16 binary inputs
16 binary outputs
Pulse/sony
encoder
inputs
Electrical isolation
Changeov.
switch
Changeov.
switch
Changeov.
switch
Changeov.
switch
Monitoring inputs
and outputs for
4 encoders
D
A
M
U
X
+
Fig. 5-3 Block diagram of IT41
Order No.
Description
Inputs and outputs
Block diagram
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