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6ES7961-1AA00-0AC0

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Siemens 6ES7961-1AA00-0AC0 is the SIMATIC M7 IF 961-DIO submodule with eight isolated 24 V DC inputs and eight protected 24 V DC outputs. It provides compact binary interfacing through a 25-pin D-sub connection.
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Technical specifications for 6ES7961-1AA00-0AC0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7961-1AA00-0AC0
  • Product Family:
    SIMATIC M7
  • Product Type:
    Digital I/O Submodule
  • Stock:
    1
  • Digital inputs:
    8
  • Input isolation grouping:
    4 groups of 2
  • Rated input voltage:
    24 V DC
  • Input current:
    4 to 8.5 mA
  • Logic 0 range:
    -30 to +5 V
  • Logic 1 range:
    +13 to +30 V
  • Selectable input delay:
    750 µs or 3 ms
  • Input interrupt:
    Rising or falling edge
  • Output grouping:
    2 groups of 4
  • Rated output current:
    0.1 A per channel
  • Output current range:
    5 mA to 0.1 A
  • Logic 0 output:
    3 V maximum
  • Logic 1 output:
    L+ minus 1.5 V minimum
  • Lamp load:
    2.4 W
  • Resistive switching frequency:
    500 Hz
  • Inductive switching frequency:
    2 Hz at 0.1 A
  • Output protection:
    Electronic short-circuit protection
  • Connector:
    25-pin D-sub
  • Submodule identifier:
    02H
  • M7-300 current consumption:
    0.03 A at 24 V
  • M7-400 current consumption:
    0.085 A at 5 V
  • Weight:
    0.143 lbs (0.065 kg)
  • Estimated shipping dimensions:
    18.2 x 67 x 97 mm
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Monitoring Installation Configuration & Programming

Features:

  • Combines eight isolated digital inputs and eight protected digital outputs on one M7 submodule.
  • Generates process interrupts from a configured rising or falling input edge.
  • Allows 750 microsecond or 3 millisecond input filtering to balance response and cable length.
This order number is the IF 961-DIO binary interface for SIMATIC M7, identified as submodule 02H.

It couples 24 V field states and compact actuator commands directly to the automation computer.

Carrier type, connector wiring, filtering choice and output load category must be checked against the saved M7 project.

Apter Power can review sourcing, documentation and system matching for 6ES7961-1AA00-0AC0.
Verified resources for Siemens 6ES7961-1AA00-0AC0: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • M7 machine controllers use the input pairs for isolated limit and interlock signals while driving small indication or relay loads.
  • Test systems can trigger software processing from a selected transition instead of continuously polling every channel.
  • Retrofit cabinets use the card where a mixed 8-input and 8-output interface must remain within one M7 submodule position.
  • Each input can be configured to create an interrupt on either the rising or falling signal edge.
  • Output short circuits are handled electronically to protect the channel electronics.
  • Input grouping isolates pairs so process potentials can be organised across four channel sections.
  • Field wiring terminates through the documented 25-pin D-sub assignment.
  • Shielded cable can extend to 1000 m, while unshielded limits depend on the selected input delay.
  • The carrier must provide the correct M7-300 24 V or M7-400 5 V submodule supply.
  • The system identifies the submodule by code 02H during hardware setup.
  • Input filtering is selectable between 750 microseconds and 3 milliseconds.
  • Interrupt enable and edge polarity are set independently for the required process response.
Description
6ES7961-1AA00-0AC0 equips an M7-300 or M7-400 automation computer with eight input channels arranged in isolated pairs and eight outputs arranged in groups of four. Input delay can be selected between 750 microseconds and 3 milliseconds.

The card acquires 24 V process states, detects configured rising or falling edges and switches low-current actuators from the same compact submodule slot. Electronic short-circuit protection supervises the output side.

A replacement must use the IF 961-DIO device identifier 02H and the correct M7 carrier supply. Cable shielding and maximum route length depend on the chosen input delay, so the original engineering setting should be retained.
Alternative Names
6ES7961-1AA00-0AC0 Siemens 6ES7961-1AA00-0AC0 6ES7 961-1AA00-0AC0 6ES79611AA000AC0 IF 961-DIO Siemens IF961 DIO SIMATIC M7 IF 961-DIO 6ES7961-1AA00-0AC0 Digital I/O
Technical notes
Before changing 6ES7961-1AA00-0AC0, record the 750 µs or 3 ms input-delay selection because it also determines the permitted cable length.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How are the inputs isolated on Siemens 6ES7961-1AA00-0AC0?
The eight inputs are divided into four isolated groups, each containing two channels.
Which response setting on Siemens 6ES7961-1AA00-0AC0 affects cable length?
The selectable 750 microsecond or 3 millisecond input delay changes the permitted unshielded route length.
What kind of event can Siemens 6ES7961-1AA00-0AC0 report to the M7 CPU?
A configured input can issue an interrupt on either a rising or falling edge.
What load limitation matters when using Siemens 6ES7961-1AA00-0AC0 outputs?
Each channel is intended for loads between 5 mA and 0.1 A, with switching limits depending on load type.
Which records should be retained when Siemens 6ES7961-1AA00-0AC0 is exchanged?
Keep the D-sub wiring map, carrier type, filter timing, interrupt configuration and output-load list.
How can Siemens 6ES7961-1AA00-0AC0 documentation be requested?
Use the full 6ES7 order number and specify whether M7-300 or M7-400 installation information is required.