Siemens es7193-6bp00-0ba1

By Abdullah Zahid
13 min read
Siemens 6ES7193-6BP00-0BA1 ET 200SP BU15-P16 type A1 base unit with push-in terminals for industrial distributed I/O automation

Siemens 6ES7193-6BP00-0BA1 — SIMATIC ET 200SP BaseUnit BU15-P16+A0+2B/T, BU Type A1, Push-in Terminals, with Temperature Acquisition: Specifications, Datasheet and Selection Guide

Controls engineers specifying distributed I/O infrastructure for SIMATIC ET 200SP systems reach a critical decision point when selecting base units: which variant carries the right terminal count, slot type, and sensor integration for the application at hand. The Siemens 6ES7193-6BP00-0BA1 is the 15 mm wide, push-in terminal base unit with a type A1 module slot, 16 process terminals, 10A power bus capacity, and an integrated temperature acquisition sensor — the /T designation that separates it from the lower-cost 0BA0 variant. At 40 g and 117 mm tall, it mounts directly on a 35 mm DIN rail and bridges the P1/P2 power bus to adjacent left-side modules automatically.

If you have already confirmed this is the correct part for your ET 200SP build, check current pricing and availability at LeadTime.ca — ships worldwide.

Who Should Buy the 6ES7193-6BP00-0BA1 — and Who Shouldn't

This base unit is the right choice for engineers building or expanding a SIMATIC ET 200SP distributed I/O system who need a single type A1 module slot with integrated thermal monitoring in a compact 15 mm footprint. Confirm all of the following before ordering:

  • Your application requires a type A1 slot configuration — not A0, B1, C0, C1, or D0
  • You need 16 process terminals routed to the interface module, with 0 AUX terminals
  • The 24V DC / 10A power bus capacity and 2A per process terminal rating are sufficient for your module load
  • Push-in terminals accepting 0.14 mm² to 2.5 mm² conductors match your field wiring gauge
  • Temperature acquisition built into the base unit (/T designation) is required by your control logic — not a separate analog input module
  • A 24V DC / 10A miniature circuit breaker type B or C is available or specifiable in your panel design — this protection is external and mandatory

If no temperature measurement is needed and cost reduction is a priority, the 6ES7193-6BP00-0BA0 is the correct alternative. If you need more than one module slot, move to a type B1, C0, C1, or D0 base unit variant instead.

On this page:

What the 6ES7193-6BP00-0BA1 Actually Does in a Distributed I/O System

The 6ES7193-6BP00-0BA1 is a passive infrastructure component — it does not process signals independently. Its job is to provide the physical mounting, power distribution, and bus connectivity that allows an interface module inserted into the type A1 slot to communicate with the PLC over PROFINET. The base unit routes 24V DC power from the P1 and P2 bus lines to the inserted module, distributes signal paths across 16 process terminals to field devices, and bridges the potential group to the left-side adjacent module automatically through its built-in bus connection.

The distinguishing feature of the 6ES7193-6BP00-0BA1 versus the otherwise identical 6ES7193-6BP00-0BA0 is the integrated temperature acquisition sensor — indicated by the /T suffix in the full product descriptor BU15-P16+A0+2B/T. In thermal-critical processes, this eliminates the need for a separate analog input module and the associated wiring, reducing bill-of-materials complexity and freeing cabinet space. That is not a marginal benefit: in pharmaceutical batch processing or food temperature logging applications, adding a discrete temperature sensor module means additional I/O mapping, additional wiring terminations, and an additional point of failure. The 6ES7193-6BP00-0BA1 collapses that into a single passive component.

At 15 mm wide and 117 mm tall, it is among the most compact base units in the ET 200SP family, making it suitable for dense panel layouts where multiple distributed nodes share limited rail space. The push-in terminal design accepts conductors from 0.14 mm² to 2.5 mm² (AWG 26 to AWG 14), which covers the full range of typical field wiring gauges used in industrial sensor and actuator circuits.

Typical System Architecture: Where This Base Unit Sits in the Signal Chain

The 6ES7193-6BP00-0BA1 sits at the physical layer of the ET 200SP distributed I/O node — between the PROFINET network and the field devices wired to its process terminals. It is the mounting and power infrastructure on which the active interface module depends.

  • PROFINET-capable PLC (such as SIMATIC S7-1200 or S7-1500) connects via Ethernet switch to the ET 200SP interface module
  • The ET 200SP interface module (IM) plugs into the type A1 slot on this base unit and manages PROFINET communication upstream
  • The 6ES7193-6BP00-0BA1 distributes 24V DC from an external supply through the P1/P2 bus to the interface module and across the potential group to left-side modules via the built-in bridge
  • Field devices — discrete sensors, proximity switches, actuators, or analog transducers — terminate at the 16 push-in process terminals on this base unit
  • The integrated temperature sensor feeds thermal data directly into the I/O mapping without requiring additional wiring or a separate module slot

Industries and Applications Where This Base Unit Gets Specified

In food and beverage processing, the 6ES7193-6BP00-0BA1 appears most frequently in temperature-monitored conveyor zones, cooking tunnel exits, and fermentation chambers where real-time thermal feedback must be available to the PLC without adding a separate analog input card. The /T variant's integrated sensor directly supports that requirement.

Pharmaceutical manufacturing facilities specify this base unit for batch process control cabinets where FDA 21 CFR Part 11-aligned logging requires traceable temperature data at the I/O level. Having the sensor integrated into the base unit rather than added as a separate module reduces the number of configurable components and simplifies validation documentation.

Automotive parts assembly lines use ET 200SP base units as decentralized remote I/O heads mounted near press stations, robotic cells, and conveyor transitions. The compact 15 mm width allows dense packing of multiple base units on a single DIN rail segment, and the 10A power bus capacity handles the combined load of multiple simultaneous I/O modules without bottleneck.

Legacy PLC retrofit projects benefit from this base unit's compatibility with existing 24V DC supply infrastructure. Engineers modernizing hardwired relay cabinets can introduce ET 200SP nodes incrementally — replacing hardwired discrete wiring with PROFINET-connected distributed I/O while reusing the existing power distribution architecture.

Marine vessel automation and water/wastewater treatment installations leverage the maritime certifications (NK and CCS type examination) and the operating temperature range of -30°C to 60°C horizontal to deploy the unit in environmentally demanding conditions that exceed typical office or light-industrial ratings.

Application Typical Deployment
Pharmaceutical batch processing Temperature-monitored I/O node in clean-room edge cabinet; integrated /T sensor feeds batch log
Food and beverage conveyor DIN-rail mounted near cooking or cooling zone; 16 process terminals connect proximity and temp sensors
Automotive assembly cell Multiple compact base units on shared DIN rail; 10A bus feeds simultaneous DI/DQ modules per cell
Legacy PLC modernization Replaces hardwired relay panel using existing 24V DC supply; PROFINET backhaul to S7-1500
Marine vessel automation Installed in shipboard control panel; NK/CCS certified; -30°C to 60°C range covers engine room thermal swing
Water/wastewater treatment Remote I/O node near pump stations; reduces cable run length and voltage drop to main PLC cabinet

Purchase-Decision Specs and Key Electrical Parameters

Parameter Value
Supply Voltage (Rated) 24V DC
Maximum Current — P1/P2 Bus 10A
Maximum Current — Per Process Terminal 2A
External Protection Required 24V DC / 10A miniature circuit breaker, type B or C tripping (not included)
Isolation (Type Test) 707V DC
Terminal Type Push-in, 0.14 mm² to 2.5 mm² (AWG 26 to AWG 14)
Process Terminals 16
Module Slot 1 × Type A1
Dimensions (W × H × D) 15 mm × 117 mm × 35 mm
Operating Temperature (Horizontal / Vertical) -30°C to 60°C / -30°C to 50°C

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

6ES7193-6BP00-0BA1 vs 6ES7193-6BP00-0BA0 and Other ET 200SP Base Unit Types

Feature 6ES7193-6BP00-0BA1 (This Unit) 6ES7193-6BP00-0BA0 ET 200SP Other Base Unit Types (B1, C0, C1, D0)
BU Type A1 A0 B1, C0, C1, D0
Temperature Sensor Integrated Yes (/T) No Optional / varies by model
Process Terminals 16 16 6, 12, 16+ depending on variant
Type A Module Slots 1 1 2 to 4+
Max Bus Current 10A 10A 10A
Terminal Style Push-in Push-in Push-in or screwdriver depending on variant
Relative Cost Baseline Lower (no /T sensor) Higher for multi-slot variants
Width 15 mm 15 mm Wider for multi-slot variants

If your design requires a type A1 slot with 16 process terminals and integrated thermal measurement, the 6ES7193-6BP00-0BA1 is the exact correct part — check current availability at LeadTime.ca.

Expert Verdict: What This Part Does Well and Where It Has Limits

The 6ES7193-6BP00-0BA1 earns its place on a bill of materials when two conditions are true: the application is SIMATIC ET 200SP and temperature acquisition at the base unit level is a real requirement rather than a future-proofing instinct. The integrated /T sensor is the single most commercially meaningful differentiator of this part — it eliminates a discrete analog input module, removes a wiring run, and reduces cabinet footprint in exactly the applications (pharmaceutical, food processing, HVAC batch control) where thermal data is non-negotiable. The 10A power bus rating is generous for a single-slot type A1 unit, and the push-in terminals in the 0.14 mm² to 2.5 mm² range cover virtually every sensor wiring gauge an engineer will encounter. The -30°C to 60°C operating range horizontal and NK/CCS maritime certifications extend applicability into environments most base units cannot enter.

The limits are clear and specific. This unit provides exactly one type A1 module slot — if your node requires two or more interface modules of different types, you need a type B1, C0, C1, or D0 base unit. It has zero AUX terminals, which matters in designs that rely on auxiliary power distribution rails within the base unit itself. And if temperature measurement is genuinely not part of your control logic, the 6ES7193-6BP00-0BA0 delivers identical electrical performance at a lower cost — the /T variant adds cost without adding value in those cases. Finally, the mandatory external 24V DC / 10A type B or C miniature circuit breaker is often overlooked at the design stage; the base unit will not operate safely without it, and it must be specified separately.

From a procurement standpoint, the /T variant may carry a slightly longer lead time than the standard 0BA0 in some regions due to the sensor inclusion. For high-volume projects, volume pricing on orders of 10 or more units is available — negotiate with your distributor before finalizing the BOM. If you are working against a design freeze, verify in-stock status before committing. If this matches your system requirements, view current stock and pricing at LeadTime.ca.

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

  • Mount on a 35 mm DIN rail in horizontal or vertical orientation — confirm 117 mm vertical height clearance and 35 mm depth behind the rail; horizontal orientation allows operation up to 60°C while vertical orientation reduces maximum operating temperature to 50°C
  • Connect the 24V DC supply to P1 (positive) and P2 (negative) bus terminals; install an external 24V DC / 10A miniature circuit breaker type B or C between the supply and P1 — this protection is mandatory and not integrated into the base unit
  • Insert field device conductors (0.14 mm² to 2.5 mm²) directly into the 16 push-in process terminal ports without tooling; verify that wire strip length and conductor gauge match the terminal specification before insertion
  • Confirm the P1/P2 bus bridge to the left-side adjacent module is intact — this base unit bridges the potential group to the left automatically; no additional bridging jumper is required
  • After seating the interface module firmly in the type A1 slot (listen for the engagement click), verify firmware compatibility between the module and the PLC project in STEP 7 TIA Portal before powering the node; use SIMATIC PRONETA to validate I/O mapping and module configuration

Compatible Interface Modules and System Expansion

The 6ES7193-6BP00-0BA1 accepts one type A1 interface module in its single module slot. The following modules are examples of compatible ET 200SP interface modules that seat into a type A1 base unit — verify firmware version compatibility with your PLC project before ordering:

  • Digital Input modules (DI series): 8-channel 24V DC digital input modules for discrete sensor connections such as limit switches and proximity sensors
  • Digital Output modules (DQ series): 8-channel 24V DC digital output modules for actuator and relay control signals
  • Analog Input modules (AI series): 2-channel voltage/current analog input modules for process variable measurement
  • Analog Output modules (AO series): analog output modules for positioner and control valve signals
  • PROFINET-capable SIMATIC PLCs (S7-1200, S7-1500 series) serve as the upstream controller; commissioning and I/O mapping are performed through STEP 7 TIA Portal
  • SIMATIC PRONETA network commissioning tool for configuration validation and module compatibility verification at startup

Wrong-Part Prevention: Verify Before You Order

Ordering the wrong ET 200SP base unit variant is one of the most common and costly specification errors in distributed I/O procurement. Before placing your order for the 6ES7193-6BP00-0BA1, confirm every item on this checklist verbatim:

  1. Confirm BU type is A1 (NOT A0, B1, C0, C1, D0) — different slot types incompatible
  2. Verify bus configuration: this unit supports P16+A0+2B (16 process terminals, 0 AUX, 2 bus) — do not confuse with P6 or P12 variants
  3. Check voltage: must be 24V DC; confirm supply does not exceed 24V specification
  4. Confirm terminal type is Push-in (not Screwdriver) if your conductor sizes are 0.14–2.5 mm²
  5. Verify temperature sensor requirement: this unit includes temperature acquisition built-in (model ending in /T) — if not needed, use 0BA0 variant instead
  6. Check circuit breaker spec: requires external 24V DC/10A miniature circuit breaker type B or C tripping; ensure one is specified in design
  7. Confirm slot requirements: this unit provides exactly 1 type A1 slot; do not use if more module slots are needed
  8. Verify mounting height constraint: 117 mm tall; confirm DIN rail cabinet has clearance and adjacent modules fit

If any item on this checklist raises a doubt, contact the LeadTime.ca team before ordering — we can cross-reference your system configuration and confirm the correct part number.

Frequently Asked Questions

What is the difference between 6ES7193-6BP00-0BA1 and 6ES7193-6BP00-0BA0?

The 6ES7193-6BP00-0BA1 includes an integrated temperature acquisition sensor (/T designation), while the 6ES7193-6BP00-0BA0 does not. Both are type A1 base units with 16 process terminals, 10A bus capacity, push-in terminals, and a single type A1 module slot. If your control logic does not require thermal measurement from the base unit level, the 0BA0 variant delivers identical electrical performance at a lower cost.

Is the external circuit breaker really mandatory, or is it just a recommendation?

The external 24V DC / 10A miniature circuit breaker with type B or C tripping characteristic is mandatory — the 6ES7193-6BP00-0BA1 does not include integrated overcurrent protection. Operating the base unit without this breaker in the circuit violates the electrical safety requirements for the product and may void certifications. The breaker must be specified separately in the panel design and must be installed before commissioning.

Can I substitute a separate analog input module for the built-in temperature sensor?

Yes, but doing so changes the BOM and the I/O mapping. The /T integrated sensor in the 6ES7193-6BP00-0BA1 feeds temperature data directly through the base unit without occupying an additional module slot. If you use the 0BA0 variant and add a separate AI module for temperature, you need an additional module slot (type A1 or larger base unit), additional wiring terminations, and additional I/O mapping in the TIA Portal project. In space-constrained or cost-optimized designs, the integrated sensor is typically the more efficient choice.

What wire gauges are compatible with the push-in terminals on this base unit?

The push-in terminals on the 6ES7193-6BP00-0BA1 accept conductors from 0.14 mm² to 2.5 mm², equivalent to AWG 26 to AWG 14. This covers the majority of field sensor and actuator wiring gauges used in industrial automation. If your installation uses conductors outside this range, this base unit is not compatible and a screwdriver-terminal variant should be evaluated.

What is the maximum installation altitude for the 6ES7193-6BP00-0BA1?

The unit can be installed at altitudes up to 5,000 m, but restrictions apply above 2,000 m. Consult the Siemens product manual for the specific derating or operational constraints that apply above the 2,000 m threshold before specifying the unit for high-altitude installations such as mountain-region water treatment or renewable energy sites.

Does the 6ES7193-6BP00-0BA1 carry any maritime certifications?

Yes. The 6ES7193-6BP00-0BA1 holds type examination certificates from NK (Nippon Kaiji Kyokai) and CCS (China Classification Society), making it suitable for marine vessel automation applications where classification society approvals are required. It also carries FM Factory Mutual approval for hazardous locations and CCC-Ex certification.

Why Order from LeadTime.ca

  • LeadTime.ca ships worldwide — no regional restriction on order placement or fulfillment
  • Specializes in sourcing hard-to-find industrial automation parts including lower-volume ET 200SP variants such as the /T temperature sensor models
  • Volume pricing available for orders of 10 or more units — contact the team before BOM freeze to negotiate project pricing
  • Fast response on lead time inquiries — confirm stock status before committing your design to avoid schedule risk

At-a-Glance Summary

  • Part number: Siemens 6ES7193-6BP00-0BA1 — SIMATIC ET 200SP BaseUnit BU15-P16+A0+2B/T, BU type A1
  • Supply voltage: 24V DC rated; maximum bus current 10A on P1/P2; 2A per process terminal
  • Integrated temperature acquisition sensor (/T) — eliminates separate analog input module for thermal monitoring
  • 16 process terminals, 0 AUX terminals, 1 type A1 module slot, 2 P1/P2 bus connections
  • Push-in terminals accepting 0.14 mm² to 2.5 mm² (AWG 26 to AWG 14)
  • Dimensions: 15 mm × 117 mm × 35 mm; weight: 40 g
  • Operating temperature: -30°C to 60°C horizontal; -30°C to 50°C vertical
  • Installation altitude: up to 5,000 m (restrictions above 2,000 m)
  • Mandatory external protection: 24V DC / 10A miniature circuit breaker type B or C (not included)
  • Isolation type test: 707V DC
  • Certifications include KC, FM, CCC-Ex, NK, and CCS maritime type examination
  • Key alternative: 6ES7193-6BP00-0BA0 for identical configuration without temperature sensor at lower cost