Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
The 6ES7870-1AB01-0YA0 is a SIMATIC S7 MODBUS Slave (V3.1) software package, engineered to enable communication between Siemens S7 automation systems and external devices using the Modbus protocol. This single-license software solution is designed to transform the communication processors into Modbus slaves, facilitating seamless data exchange in industrial networks.
The package includes the runtime software and documentation on CD, along with a hardware (HW) dongle for license verification. It supports three languages (German, English, and French) and is executable within the STEP 7 environment (version V4.02 or higher). The software is specifically optimized for use with the CP 341 and CP 441-2 communication processors.
| Feature | Specification |
|---|---|
| Brand | Siemens |
| Range | SIMATIC S7 |
| Subrange | S7 |
| Product Type | Communication Software |
| Software Version | V3.1 |
| Min. STEP 7 Version | V4.02 |
| Compatible Hardware | CP 341, CP 441-2 |
| Languages | DE, EN, FR |
| Weight | 0.25 kg |
| Dimensions | 23.50 cm x 19.20 cm x 2.30 cm |
| Product Phase | Active |
| Commodity Code | 85234925 |
Global Express Shipping
Returns & Warranty

The 6ES7870-1AB01-0YA0 is a SIMATIC S7 MODBUS Slave (V3.1) software package, engineered to enable communication between Siemens S7 automation systems and external devices using the Modbus protocol. This single-license software solution is designed to transform the communication processors into Modbus slaves, facilitating seamless data exchange in industrial networks.
The package includes the runtime software and documentation on CD, along with a hardware (HW) dongle for license verification. It supports three languages (German, English, and French) and is executable within the STEP 7 environment (version V4.02 or higher). The software is specifically optimized for use with the CP 341 and CP 441-2 communication processors.
| Feature | Specification |
|---|---|
| Brand | Siemens |
| Range | SIMATIC S7 |
| Subrange | S7 |
| Product Type | Communication Software |
| Software Version | V3.1 |
| Min. STEP 7 Version | V4.02 |
| Compatible Hardware | CP 341, CP 441-2 |
| Languages | DE, EN, FR |
| Weight | 0.25 kg |
| Dimensions | 23.50 cm x 19.20 cm x 2.30 cm |
| Product Phase | Active |
| Commodity Code | 85234925 |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
White
|
| Country of origin |
Germany
|