Technical Summary
| Product designation | SIMATIC MODBUS/TCP PN-CPU Online Software Delivery Single license |
|---|---|
| License type | Single license (EL) |
| Modbus server | Yes |
| Modbus client | Yes |
| User data per job, max. | 250 byte |
| Local data requirements | 156 byte |
| Redundancy capability | No |
| STEP 7 TIA Portal configurable/integrated from version | V13 |
| STEP 7 configurable/integrated from version | STEP 7 V5.5 or higher |
| PCS 7 configurable/integrated from version | PCS 7 V7.1 SP2 |
| Target system – ET 200S | Yes; FW V3.2 or higher |
Applications
Engineering Modbus/TCP communication for ET 200S, ET 200pro, S7-300 and S7-400 target systems.
Setting up SIMATIC communication as a Modbus server or Modbus client.
Key Features
SIMATIC MODBUS/TCP PN-CPU Online Software Delivery Single license.
Product lifecycle: Active Product.
Authorization/licenses: Single license (EL) — Yes.
Communication as Modbus server: Yes. Communication as Modbus client: Yes.
Wizard for configuration support: Yes; Wizard.
Frequently Asked Questions
What is Siemens 6AV6676-6MB20-3AD0?
It is SIMATIC MODBUS/TCP PN-CPU Online Software Delivery Single license.
Which engineering systems can it be configured in?
STEP 7 TIA Portal from V13, STEP 7 V5.5 or higher, and PCS 7 V7.1 SP2.
Does it support Modbus server and client communication?
Yes. Modbus server and Modbus client communication are both supported.
What are the main data and memory values?
User data per job, max. is 250 byte, local data requirements are 156 byte, and FB length in RAM, max. is 19 kbyte.
