Combined signal module
Places an equal number of digital inputs and outputs in a single S7-1500 slot.
Siemens 6ES7523-1BL00-0AA0 SIMATIC S7-1500 Digital Input/Output Module
Item NO.: 3821595
Warranty: 1 year
Condition : brand new in factory sealed box
Email: sales@mvme.cn
Chat online: +86 18030175807
Detail
- Product NameSiemens 6ES7523-1BL00-0AA0 SIMATIC S7-1500 Digital Input/Output Module
- Item NO.3821595
- Weight0.3000 kg = 0.6614 lb = 10.5822 oz
- CategoryPLC
- BrandSiemens
- Creation Time2026-11-05
SIMATIC S7-1500 SM 52316-Channel 24 V DC Digital Input / 16-Channel 24 V DC Digital Output Module
SM 523 COMBINATION I/O · 16 DI · 16 DQ
Siemens 6ES7523-1BL00-0AA0 SIMATIC S7-1500 Digital Input/Output Module
A basic S7-1500 signal module combining 16 type-3 digital inputs with 16 transistor outputs for 24 V DC control circuits.
PRODUCT CONTEXT
Overview
6ES7523-1BL00-0AA0 combines digital sensing and load switching in one SIMATIC S7-1500 SM 523 module. Its input side provides 16 channels in one group with a typical 3.2 ms delay and IEC 61131 type-3 behavior.
The output side provides 16 channels arranged in groups of eight. Each output is rated for 24 V DC / 0.5 A, with a published group limit of 4 A.
CONTROLLED DATA
Specs
Manufacturer
Siemens
Exact model
6ES7523-1BL00-0AA0
Product family
SIMATIC S7-1500 SM 523
Digital inputs
16 × 24 V DC
Input grouping
16 channels in one group
Typical input delay
3.2 ms
Input characteristic
Type 3 according to IEC 61131
Digital outputs
16 × 24 V DC / 0.5 A
Output grouping
Two groups of eight
Maximum per output group
4 A
Front connector
Push-in, included
Lifecycle state
Active product
FUNCTIONAL DISTINCTIONS
Features
Grouped load control
The output channels are divided into two eight-channel load groups with a defined current boundary.
Diagnostic project context
The module is configured as one mixed-I/O object in the S7-1500 hardware project.
Safety-oriented load-group shutdown
The published module description supports safety-oriented shutdown of load groups up to SIL2 / Category 2 PL c when the documented conditions are met.
FIELD CONTEXT
Applications
Compact machine I/O
Combining sensors and 24 V DC actuators where one mixed module reduces slot count.
Panel modernization
Retaining a documented S7-1500 signal assignment while replacing the exact SM 523 article.
Controlled load-group design
Separating field loads according to the two published output groups and their protection scheme.
SERVICE SEQUENCE
Lifecycle
Archive
Save the hardware configuration, channel addresses, input filter settings and output assignments before removal.
Exchange
Isolate field power, retain the conductor map and install the complete 6ES7523-1BL00-0AA0 identity with its push-in connector.
Prove
Exercise every used input and commanded output, then verify interlocks and the approved shutdown behavior.
CUSTOMER QUESTIONS
FAQ
What project evidence should accompany a 6ES7523-1BL00-0AA0 enquiry?
Provide the S7-1500 hardware project, slot address, channel map, output-load schedule and a clear module label.
Can a pure digital-output module replace 6ES7523-1BL00-0AA0?
No direct substitution should be assumed because 6ES7523-1BL00-0AA0 combines both input and output address spaces in one module.
Why must output loads be reviewed for 6ES7523-1BL00-0AA0?
The outputs are grouped in sets of eight with a published 4 A group limit, so steady and inrush current must be checked by group.
Does 6ES7523-1BL00-0AA0 arrive with a front connector?
Yes. Siemens lists delivery with a push-in front connector; retain its wiring record during service.
What closes a 6ES7523-1BL00-0AA0 replacement test?
A complete point-by-point input check, commanded-output test and verified machine interlock sequence provide the acceptance record.
INDUSTRIAL SOURCING SUPPORT
About IndustryParts
https://www.industryparts.com/Exact records support a cleaner quotation
IndustryParts prepares 6ES7523-1BL00-0AA0 enquiries around the complete manufacturer label, requested quantity and installed-system evidence. Share the application record that distinguishes this execution before a supply proposal is prepared.
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ENQUIRY INFORMATION
Request a model-specific quotation
Send the complete 6ES7523-1BL00-0AA0 label, requested quantity and delivery destination.
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