
Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Model/Part Number | 6ES7193-6PA00-0AA0 |
| Description | SIMATIC ET 200SP BaseUnit BU type A0, BU20-P12+A0+0B, Push-in terminals, without AUX |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 6ES7193-6PA00-0AA0 |
| Product Name | BaseUnit BU20-P12+A0+0B |
| Application | Mounting and electrical connection base for SIMATIC ET 200SP I/O modules (20 mm width) in distributed automation systems |
| Compatibility | - ET 200SP electronic modules (20 mm width) - IM 155-6 PN (ST/HF/BA) - PROFINET and PROFIBUS via interface modules - TIA Portal V18+ |
| Function | Provides mechanical fixing, 24 V DC power distribution, push-in terminals, self-assembling backplane; supports hot swap, bridged supply from left, and no auxiliary terminals |
Functional Specifications
| Parameter | Details |
|---|---|
| BaseUnit Type | A0 (push-in, no AUX) |
| I/O Module Width | 20 mm |
| Terminals | 12 push-in terminals (P1, P2 per side) |
| Terminal Type | Push-in cage clamp (tool-free insertion) |
| Wire Size | 0.14_1.5 mm² (26_16 AWG) solid/stranded, ferrule recommended |
| Strip Length | 8_10 mm |
| Rated Current | 2 A per terminal |
| Rated Voltage | 24 V DC (P1/P2) |
| Power Supply | 24 V DC (20.4_28.8 V) via P1/P2 rails (bridged from left) |
| AUX Terminals | None |
| Potential Separation | P1/P2 isolated from field; bridged to left BaseUnit |
| Hot Swap | Yes _ module replacement under power |
| Color Coding | Light blue (digital), yellow (analog), red (special) _ per module type |
| Labeling | Integrated label holder (6ES7193-6LH00-0AA0) |
| Self-Assembling Backplane | Automatic electrical connection upon insertion |
| Diagnostics | Via I/O module (LEDs, PROFINET diagnostics) |
Electrical Specifications
| Parameter | Details |
|---|---|
| Supply Voltage | 24 V DC (rated), 19.2_28.8 V |
| Current Carrying Capacity | Up to 10 A (P1/P2 rails) |
| Inrush Current | _ 2.5 A |
| External Fuse | 10 A miniature circuit breaker (type B/C) recommended |
| Isolation | 707 V DC (type test), 500 V AC (functional) |
| Power Loss | < 0.5 W |
Mechanical Specifications
| Parameter | Details |
|---|---|
| Dimensions (W x H x D) | 20 mm _ 117 mm _ 35 mm |
| Weight | 45 g |
| Housing Material | Polyamide (PA 6.6), halogen-free |
| Color | Light gray (RAL 7035) |
| Mounting | Snap-on to 35 mm DIN rail (EN 60715) |
| Locking | Spring-loaded clip with release tab |
Environmental Specifications
| Parameter | Details |
|---|---|
| Operating Temperature | -30°C to +60°C (horizontal), -30°C to +50°C (vertical) |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5_95% non-condensing |
| Vibration | 5g (IEC 60068-2-6) |
| Shock | 15g (IEC 60068-2-27) |
| Enclosure Rating | IP20 |