Siemens 6ES7513-1AL02-0AB0 — CPU 1513-1 PN Buying Guide

By Abdullah Zahid
12 min read
Siemens 6ES7513-1AL02-0AB0 SIMATIC S7-1500 CPU 1513-1 PN module for industrial automation control panels

Siemens 6ES7513-1AL02-0AB0 CPU 1513-1 PN: Complete Specifications, Pricing, and Modern Alternatives

Controls engineers evaluating the SIMATIC S7-1500 platform at the bottom of the selection funnel typically arrive at one specific question: does the 6ES7513-1AL02-0AB0 have enough memory and the right networking capability for my application, or should I step up to a higher variant? This article answers that question directly. The Siemens 6ES7513-1AL02-0AB0 is the SIMATIC S7-1500 CPU 1513-1 PN — a 35 mm wide CPU module delivering 300 KB program memory, 1.5 MB data memory, and a dual-port PROFINET IRT interface for deterministic distributed control. One important procurement flag before you go further: this product is being phased out, with Siemens recommending the 6ES7511-1A030AB0 as the successor for new projects.

If you have already confirmed this is the right part, check current pricing and availability at LeadTime.ca — ships worldwide.

Who Should Buy the 6ES7513-1AL02-0AB0 — and Who Shouldn't

This CPU is the right choice for engineers building or maintaining mid-scale automation systems that require PROFINET IRT real-time communication, a compact panel footprint, and tight integration with the SIMATIC S7-1500 ecosystem. Specifically, it fits if all of the following are true for your project:

  • Your compiled user program will remain under 300 KB — measure your .a7p file in TIA Portal before committing
  • Your data block requirements fall within 1.5 MB, accounting for setpoints, sensor buffers, and any retained data
  • You require PROFINET IRT for isochronous real-time communication with minimum 500 µs cycle capability
  • Your panel accepts a 35 mm wide DIN-rail mounted CPU running on 24 V DC (range 19.2 V to 28.8 V)
  • Your TIA Portal installation is V17 or higher to support FW V2.9 — or V15 or higher if you are on the earlier FW V2.5 variant
  • You are sourcing a spare or replacement for an existing installed machine, not launching a new long-term design

If your application compiles to 250 KB or more, or if this is a new project that will need support beyond mid-2025, evaluate the 6ES7513-1AL03-0AB0 (500 KB program / 2 MB data) or the recommended successor 6ES7511-1A030AB0 before ordering.

On this page:

What the SIMATIC S7-1500 CPU 1513-1 PN Actually Does in a Running System

The 6ES7513-1AL02-0AB0 is the processing core of a SIMATIC S7-1500 modular automation rack. It executes the user program stored on its internal work memory, manages all communication with attached I/O modules and field devices over PROFINET, and handles system timing through interrupt and synchronization structures. The integrated 2-port PROFINET IRT interface means the CPU can drive isochronous real-time cycles down to 500 µs in distributed mode — a capability that matters when coordinating servo drives, high-speed counters, or tightly synchronized conveyor zones across multiple remote stations.

The CPU supports up to 128 simultaneous connections, with a portion reserved for HMI and engineering workstation access, and the remainder available for I/O modules, distributed PROFINET gateways, and safety modules. It requires a SIMATIC memory card — typically a 32 MB MMC — to store program retention data and firmware. Without that card installed, the CPU will not operate. The onboard 3.45 cm monochrome display provides local diagnostics, fault codes, and mode switching via 8 control keys and 2 mode buttons, though the display disables when ambient temperature climbs above 50°C.

Typical System Architecture for the 6ES7513-1AL02-0AB0

The 6ES7513-1AL02-0AB0 sits at the top of the I/O chain as the central execution engine, connecting upward to TIA Portal engineering stations and HMI panels, and downward to distributed field devices via its PROFINET interface.

  • TIA Portal V17+ engineering workstation connects to CPU via PROFINET port for program download, diagnostics, and firmware updates
  • CPU 6ES7513-1AL02-0AB0 executes the user program and manages all PROFINET I/O scheduling at cycle times from 500 µs (distributed IRT) to 1 ms (central IRT)
  • Local rack expansion modules (DI/DO 6ES7521/522 families, analog 6ES7531/532) connect directly to the CPU backplane bus
  • Remote distributed I/O via ET 200MP or ET 200SP stations connect over the PROFINET network, extending reach across the machine cell or plant floor
  • HMI panels and SCADA systems connect via the same PROFINET interface, consuming connection slots from the 128-connection pool

Where This CPU Gets Deployed: Industries and Machine Types

Packaging line builders select the 6ES7513-1AL02-0AB0 for item counting, label control, fill logic, and output coordination to servo drives and solenoids — applications where PROFINET IRT synchronization eliminates the timing jitter that simpler CPUs introduce at higher throughput speeds.

Multi-zone manufacturing cells running 5 to 15 digital I/O modules over PROFINET fit naturally within the 300 KB program and 1.5 MB data memory envelope. The CPU handles real-time process synchronization across zones without requiring an external gateway for standard rack configurations.

Material handling hubs — conveyor merge-sort systems with 100 or more field device connections across 3 to 5 remote PROFINET gateways — use this CPU as the logic controller when the program size stays within the memory ceiling and deterministic response to sensor events is the dominant requirement.

OEM machine builders embed this CPU in tool cabinets and mobile platforms where the 35 mm width, 405 g weight, and 24 V DC supply make it easy to integrate into compact panels. The CPU handles motion triggering, sensor feedback, and safety interlock logic in a single module.

Legacy SIMATIC S7-300 replacement projects use the 6ES7513-1AL02-0AB0 to gain native PROFINET support and faster cycle processing while retaining a familiar Siemens programming environment and reusing existing SIMATIC-compatible I/O hardware.

Application Typical Deployment
Packaging line control CPU managing filling, labeling, and servo coordination via PROFINET IRT at sub-millisecond sync
Multi-zone manufacturing cell 5–15 DI/DO modules on PROFINET with real-time zone synchronization
Material handling hub Conveyor merge/sort logic with 100+ field devices across 3–5 remote PROFINET gateways
OEM cabinet controller 35 mm wide CPU in compact panel for motion triggering and safety interlock logic
S7-300 retrofit Drop-in replacement gaining PROFINET native support and TIA Portal engineering workflow
Food and beverage process control CPU coordinating sensor feedback, timing sequences, and HMI display on sanitary wash-down lines

Purchase-Decision Specifications: What the Numbers Mean for Your Build

Specification Value
Supply voltage 24 V DC (19.2 V to 28.8 V range)
Current draw 0.7 A nominal / 0.95 A max / 1.9 A inrush
Work memory — program 300 KB
Work memory — data 1.5 MB
PROFINET interface 1 interface, 2-port integrated switch, IRT supported
Minimum IRT cycle time 500 µs (distributed) / 1 ms (central)
Max connections 128 (including ES, HMI, and web connections)
Dimensions (W × H × D) 35 mm × 147 mm × 129 mm
Operating temperature -25 to 60°C horizontal / -25 to 40°C vertical
TIA Portal compatibility V17 or higher (FW V2.9) / V15 or higher (FW V2.5)

Full technical specifications are available on the product page at LeadTime.ca.

6ES7513-1AL02-0AB0 vs. 6ES7513-1AL03-0AB0 vs. 6ES7511-1A030AB0: Which One Do You Actually Need?

Model Program Memory Data Memory Lifecycle Status TIA Portal Minimum Best For
6ES7513-1AL02-0AB0 300 KB 1.5 MB Phased out (mid-2025) V17 (FW V2.9) Spare parts, existing machine replacement
6ES7513-1AL03-0AB0 500 KB 2 MB Active V17 Applications compiling to 250+ KB program size
6ES7511-1A030AB0 (successor) Higher than 1AL02 Higher than 1AL02 Active — recommended for new projects V17 New designs requiring long-term support and better performance

If your application's compiled program size is approaching 250 KB or you are launching a new machine design, the 6ES7513-1AL03-0AB0 or the 6ES7511-1A030AB0 successor are the technically and commercially safer choices — check current availability of the 6ES7513-1AL02-0AB0 at LeadTime.ca if you need it for an existing installation.

Expert Verdict: Honest Assessment of Fit, Limits, and Procurement Reality

The 6ES7513-1AL02-0AB0 earned its place in packaging lines, material handling cells, and machine tool cabinets by delivering a well-balanced combination of PROFINET IRT performance, compact form factor, and deep SIMATIC ecosystem integration. The 300 KB program / 1.5 MB data memory spec covers the majority of small-to-mid-scale automation programs without requiring engineers to optimize aggressively. The 500 µs minimum IRT cycle time in distributed mode is a genuine differentiator for applications where synchronization across multiple remote I/O stations is a hard requirement — not a feature most entry-level CPUs can match. For spare parts purchasing, warranty replacements, or completing a machine family already built around this CPU, the 6ES7513-1AL02-0AB0 remains a sound choice.

Where the limits bite is predictable: programs that grow past 300 KB during development will force an upgrade mid-project, which is an expensive engineering rework. Vertical mounting caps the operating temperature at 40°C — a constraint that catches engineers in warm cabinet environments if they don't plan early. And the phased-out designation is not a distant concern; effective mid-2025, new project commitments to this CPU carry real sourcing risk as inventory tightens and lead times extend. If this is a new design rather than a maintenance buy, the 6ES7511-1A030AB0 successor offers more performance and memory at comparable cost without the lifecycle uncertainty.

From a procurement standpoint, lead times on this model are currently 2 to 6 weeks from major distributors — but that window is likely to narrow as phased-out inventory moves. Volume buyers running multiple machines on this CPU variant should consider hedging inventory now. If this matches your system requirements, view current stock and pricing at LeadTime.ca — we source this part for customers worldwide and can advise on quantity availability.

For volume pricing or to confirm lead time before committing to a build, contact the LeadTime.ca team directly — we ship worldwide.

Wiring and Installation Overview

  • Power connection: 24 V DC regulated supply in the 19.2 V to 28.8 V range connected to the CPU terminal block — reverse polarity protection is on-board, but the supply must be regulated DC, not AC or unregulated
  • PROFINET cabling: Cat 5e or better industrial Ethernet with M12 connectors; the integrated 2-port switch supports daisy-chain topology without an external switch for small topologies, while star topology requires a managed PROFINET switch
  • DIN rail mounting: standard 35 mm rail with snap clips; horizontal mounting allows -25 to 60°C operation, vertical mounting restricts to -25 to 40°C and disables the display above 40°C
  • Memory card: insert a SIMATIC memory card (32 MB MMC) into the front-panel MC slot before first power-up — the CPU will not operate without it, and the card must be initialized in TIA Portal before use
  • Protective earth: all PROFINET cabling must be grounded, and a PE connection must be verified at cabinet entry per your machine safety documentation before commissioning

Compatible Modules and System Expansion

The 6ES7513-1AL02-0AB0 operates as the central CPU in a SIMATIC S7-1500 rack and coordinates directly with the following module families over the system backplane bus and PROFINET network:

  • Digital input/output modules 6ES7521 and 6ES7522 families — 16- and 32-channel DI/DO cards for local rack expansion
  • Analog signal modules 6ES7531 and 6ES7532 families — sensor and actuator signal conditioning for process measurement applications
  • Safety I/O module 6ES7521-7FH00-0AB0 series — redundant safety logic control via PROFIsafe communication layer
  • ET 200MP distributed I/O stations — remote rack expansion for large installations requiring long cable runs from the central CPU
  • ET 200SP distributed I/O stations — compact remote I/O clusters for distributed field locations with space constraints
  • SIMATIC memory card (32 MB MMC) — required for program retention, firmware storage, and CPU operation

What Engineers Get Wrong When Ordering This Part

Before placing your order, run through every item on this checklist. These are the most common ordering errors for the 6ES7513-1AL02-0AB0 — each one has caused engineering rework or installation failures in the field.

  1. Verify the part number exactly: 6ES7513-1AL02-0AB0 (uppercase). Confirm NOT 6ES7513-1AL01-0AB0 (earlier firmware version, limited TIA Portal support) or 6ES7513-1AL03-0AB0 (higher memory variant).
  2. Confirm your TIA Portal version: FW V2.9 requires TIA Portal V17 or higher. FW V2.5 version (1AL01) requires TIA Portal V15 or higher. Mismatched versions cause engineering configuration failures.
  3. Check power supply specification: This CPU requires 24 V DC (range 19.2 V to 28.8 V). Do NOT install on 24 V AC supplies or unregulated power sources.
  4. Verify PROFINET network plan: This CPU includes 1 PROFINET interface with 2-port integrated switch. Confirm topology (daisy-chain vs. star) and cable grades (Cat 5e minimum for IRT).
  5. Memory estimation: Total work memory is 300 KB program + 1.5 MB data. Do NOT assume unlimited data block capacity; large data logging or high-speed counting requires careful block allocation.
  6. Confirm mounting orientation: Operating temperature limits differ by orientation (horizontal -25 to 60°C; vertical -25 to 40°C). Vertical mounting restricts to -25 to 40°C and display operation.
  7. Module dependencies: Requires SIMATIC memory card (typically 32 MB MMC card). Do NOT attempt operation without one; card stores program retention data and firmware.
  8. Check application timeline: Product is phased out effective mid-2025. Long lead times possible for spare parts. For new projects, evaluate 6ES7511-1A030AB0 replacement.

If any item on this checklist raises a question about fit, contact the LeadTime.ca team before ordering — or review the full product details at LeadTime.ca to cross-reference against your BOM.

Frequently Asked Questions

Is the 6ES7513-1AL02-0AB0 still available to order, or has it been discontinued?

The 6ES7513-1AL02-0AB0 is phased out effective mid-2025. It can still be ordered while distributor inventory lasts, with current lead times of 2 to 6 weeks from major distributors — but that availability window is tightening. For new project designs, Siemens recommends transitioning to the 6ES7511-1A030AB0 successor, which offers more performance and memory with an active lifecycle. Contact LeadTime.ca to confirm current stock before committing to a build schedule.

Will my existing TIA Portal V16 project work with this CPU?

No. The 6ES7513-1AL02-0AB0 running FW V2.9 requires TIA Portal V17 or higher. If your project was built in TIA Portal V16 or earlier, you will need to upgrade your engineering environment before downloading to this CPU. The earlier variant 6ES7513-1AL01-0AB0 (FW V2.5) has different requirements — that model supports TIA Portal V15 or higher, but it is a different part number with a different firmware baseline.

How do I know if 300 KB of program memory is enough for my application?

The most reliable method is to compile your full program in TIA Portal and check the .a7p file size before selecting the CPU. Typical small automation programs run 50 to 150 KB; mid-scale applications with many function blocks and data structures often land in the 150 to 250 KB range. If your compiled size approaches 250 KB, the 6ES7513-1AL03-0AB0 with 500 KB program memory eliminates the risk of hitting the ceiling during late-stage development when engineering rework is most costly.

Can I daisy-chain PROFINET devices without an external switch?

Yes — the integrated 2-port switch on the 6ES7513-1AL02-0AB0 supports daisy-chain topology for small device chains directly from the CPU ports without requiring an external managed switch. However, for larger star topologies or networks requiring VLAN segmentation and redundancy management, an external managed PROFINET switch is needed. Cat 5e minimum cable rated for industrial environments is required for IRT mode operation.

What happens if the SIMATIC memory card is missing or fails?

The CPU will not operate without a SIMATIC memory card installed. The card stores program retention data, retentive timer and counter states, and firmware information. If the card is corrupted or absent, the CPU will display an initialization error on the onboard display. Keep at least one spare 32 MB MMC card on hand for quick field replacement, and periodically verify card integrity per the maintenance schedule in the manufacturer documentation.

What is the realistic lead time for ordering the 6ES7513-1AL02-0AB0 today?

Current lead time from major distributors is 2 to 6 weeks, but this figure is subject to change as phased-out inventory depletes. Engineers ordering for multi-machine installations or building inventory buffers should contact LeadTime.ca directly to confirm quantity availability and get a committed lead time before locking in a project schedule.

Why Order From LeadTime.ca

  • Ships worldwide — no regional restrictions on sourcing industrial automation hardware
  • Specializes in sourcing hard-to-find and phased-out SIMATIC components with confirmed lead time commitments
  • Volume pricing available for multi-unit orders — contact the team directly for quantity quotes
  • Fast response on availability inquiries — useful when project timelines are tight and lead time confirmation is the final blocker before purchase approval
  • Both product page and direct contact available for your preferred purchasing workflow

At-a-Glance Summary

  • Official product name: SIMATIC S7-1500 CPU 1513-1 PN, catalog number 6ES7513-1AL02-0AB0
  • Work memory: 300 KB program + 1.5 MB data — measure compiled .a7p before selecting this variant
  • PROFINET IRT: 1 interface, 2-port integrated switch, 500 µs minimum cycle (distributed), 1 ms (central)
  • Supply voltage: 24 V DC, range 19.2 V to 28.8 V, with reverse polarity protection
  • Dimensions: 35 mm W × 147 mm H × 129 mm D, 405 g, DIN rail mount
  • Operating temperature: -25 to 60°C horizontal / -25 to 40°C vertical
  • TIA Portal V17 or higher required for FW V2.9; SIMATIC memory card (32 MB MMC) mandatory for operation
  • Max 128 connections including HMI, engineering station, and web access
  • Phased out effective mid-2025 — current lead time 2 to 6 weeks; confirm availability before project commitment
  • Recommended successor for new projects: 6ES7511-1A030AB0; higher memory alternative: 6ES7513-1AL03-0AB0