Technology Modules For Counting, Measuring And Position Detection - Siemens SIMATIC S7-1500/ET 200MP System Manual

4.8.4

Technology modules for counting, measuring and position detection

For technological tasks, powerful technology modules are available that perform these tasks
largely autonomously and reduce the load on the CPU. The table below shows the available
technology modules for counting, measuring and position detection.
Short designation
Article number
Manual
Connectable encoders
Max. count frequency
Integrated DI
Integrated DQ
Counting functions
Measuring functions
Diagnostics interrupt
Hardware interrupt
Isochronous mode
Benefits
Technology modules for counting, measuring and position detection offer you the following
advantages:
• Fast and timely detection of events with fine resolution for high productivity and product
quality
• Hardware-level signal processing for rapid counting, measurement and position detection
for a variety of transducers
• Simple setup and commissioning of the technology functions in STEP 7
• Can be used centrally in SIMATIC S7-1500 and in ET 200MP distributed I/O system
• Quick response thanks to different hardware interrupts
Automation system
System Manual, 01/2023, A5E03461182-AK
TM Count 2x24V
6ES7550-1AA00-0AB0
Link
Incremental encoder for signals, 24 V
asymmetrical,
Pulse encoders with/without direction
signal,
Pulse encoders up/down
200 kHz
800 kHz with four-fold pulse
3 DIs per counter channel for
• Start
• Stop
• Capture
• Synchronization
2 DQs for comparators and limit values
Comparator
Adjustable counting range,
Incremental position detection
Frequency
Period duration
Velocity
X
X
X
System overview
4.8 Technology functions
TM PosInput 2
6ES7551-1AB00-0AB0
Link
Incremental encoder for signals to
RS422 (5 V differential signal),
Pulse encoders with/without direction
signal,
Pulse encoders up/down,
Absolute encoders (SSI)
1 MHz
4 MHz with four-fold pulse
2 DIs per counter channel for
• Start
• Stop
• Capture
• Synchronization
2 DQs for comparators and limit values
Comparator
Adjustable counting range,
Incremental
and absolute position detection
Frequency
Period duration
Velocity
X
X
X
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