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siemens simatic s7 1500 6es7550 1aa01 0ab0 tm count 2x24v technology module-0

SIMATIC S7 Series

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Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module
Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module

Siemens SIMATIC S7-1500 6ES7550-1AA01-0AB0 TM Count 2x24V Technology Module

Siemens SIMATIC S7-1500
6ES7550-1AA01-0AB0
TM Count 2x24V technology module for counting, measuring and position detection applications.
KEY SPECS: 2 channels; 24 V DC; 200 kHz input frequency; up to 800 kHz counting frequency
LEAD TIME: In stock    WARRANTY: 1 year
Appurtenance:
siemens simatic s7 1500 6es7550 1aa01 0ab0 tm count 2x24v technology module-1
Inquiry
  • Overview
  • Technical Data
  • Inquiry
  • Function
  • Installation
  • Compatibility
  • Compliance
  • FAQ
  • Recommend Models
  • Recommended Products
Product Overview
TM Count 2x24V technology module for counting, measuring and position detection applications. The complete article number is 6ES7550-1AA01-0AB0.
Core capability: Two-channel high-speed counting and measuring with incremental encoder support and isochronous operation.

Technical Data

Complete model
6ES7550-1AA01-0AB0
Product family
SIMATIC S7-1500 technology modules
Product type
TM Count 2x24V
Channels
2 counting and measuring channels
Supply voltage
24 V DC; permissible range 19.2 to 28.8 V DC
Current consumption
75 mA maximum without load
Digital inputs
6 total; 3 per channel; IEC 61131 Type 3
Encoder supply
One common 24 V output; 1 A maximum total
Input frequency
200 kHz maximum
Counting frequency
800 kHz maximum with quadruple evaluation
Measurement range
0.04 Hz to 800 kHz frequency measurement
Accuracy
100 ppm for frequency, cycle duration and velocity measurement
Mounting
S7-1500 mounting rail
Operating temperature
-30 to 60 deg C horizontal; -30 to 40 deg C vertical
Dimensions
35 x 147 x 129 mm (W x H x D)
Weight
Approx. 250 g
Electrical isolation
Channels to backplane bus; tested at 707 V DC

Function

Counting and measurement
Counts pulses and measures frequency, cycle duration and velocity on two channels.
Encoder support
Supports 24 V incremental encoders, pulse encoders and direction signals.
Position detection
Supports incremental acquisition and SIMATIC S7-1500 Motion Control.
Isochronous operation
Synchronizes acquisition and output behavior with the automation cycle.

Installation

Mounting
Install on an S7-1500 mounting rail and observe the 35 x 147 x 129 mm envelope.
Load supply
Provide 24 V DC within the specified 19.2 to 28.8 V range.
Signal cabling
Use shielded cable for high-frequency encoder signals; the manual specifies up to 50 m at 200 kHz depending on cable and encoder quality.
Thermal conditions
Observe the horizontal and vertical ambient-temperature limits and output-current derating.

Compatibility

Engineering
Configurable in STEP 7 TIA Portal and through supported PROFINET or PROFIBUS GSD integration.
Controllers
Supports distributed operation with SIMATIC S7-300, S7-400, S7-1200 and S7-1500 systems.
Encoders
Compatible with 24 V incremental and pulse encoders described for the TM Count 2x24V interface.
Identification
Supports I&M0 to I&M3 identification data.

Compliance

Input standard
Digital inputs follow IEC 61131 Type 3 characteristics.
Isolation
Backplane-bus isolation is type-tested at 707 V DC.
Installation altitude
Up to 5,000 m with the documented restrictions above 2,000 m.
Firmware
Firmware update is supported.

FAQ

Q1. How can I verify that the quoted item is the exact 6ES7550-1AA01-0AB0?
Match the full article number on the module and packaging, then confirm TM Count 2x24V, two channels and the 35 x 147 x 129 mm dimensions.
Q2. How can I distinguish new, used and refurbished stock?
Request clear photos of the 6ES7550-1AA01-0AB0 label, terminals, housing, seals and packaging. Check for wear, repaired connectors or replaced labels.
Q3. How can I assess whether a supplier is legitimate and reliable?
Verify the legal company identity, banking beneficiary, traceable contact details and a written quotation that states 6ES7550-1AA01-0AB0 in full.
Q4. Which specifications should engineering confirm before purchase?
Confirm 24 V DC supply, two counting channels, 200 kHz input frequency, encoder type, mounting space and required STEP 7 integration.
Q5. What physical evidence should be requested before payment?
Ask for current photos or video showing the full model label, serial or production data, housing condition, connector area and package contents.
Q6. Can a similar TM Count model or suffix replace 6ES7550-1AA01-0AB0?
Not automatically. Channel count, firmware, signal interfaces, dimensions and engineering support must be checked before any substitution.

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