Key Features
- Redundancy capability: Yes; suitable for configuring H systems.
- Modbus roles: Communication as Modbus server: Yes; communication as Modbus client: Yes.
- Engineering integration: STEP 7 TIA Portal configurable/integrated from version V13.
- STEP 7 support: STEP 7 configurable/integrated from version STEP 7 V5.5 or higher.
- License and delivery: Single license (EL): Yes; Single license on DVD.
Applications
- Redundant H system configuration: Configuration for H systems with redundancy capability.
- Modbus server communication: Use for Modbus server communication.
- Modbus client communication: Use for Modbus client communication.
Technical Summary
| Product type | SIMATIC Modbus/TCP CP Red for S7-400 H systems |
|---|---|
| Redundancy capability | Yes; Suitable for configuring H systems |
| Communication as Modbus server | Yes |
| Communication as Modbus client | Yes |
| User data per job (of which consistent), max. | 250 byte |
| Local data requirements | 302 byte |
| Multi-instance capable | Yes |
| Multiport | Yes; Dependent on CP |
| Implemented function codes | 01, 02, 03, 04, 05, 06, 15, 16 |
| Authorization/license | Single license (EL) |
| License delivery | Single license on DVD |
Frequently Asked Questions
What is Siemens 6AV6676-6MB30-3AX0?
It is SIMATIC Modbus/TCP CP Red for S7-400 H systems with a single license on DVD.
Which engineering software versions support 6AV6676-6MB30-3AX0?
It is configurable/integrated in STEP 7 TIA Portal from V13, STEP 7 from STEP 7 V5.5 or higher, and PCS 7 from PCS 7 V7.1 SP2.
Does 6AV6676-6MB30-3AX0 support Modbus server and client communication?
Yes. It supports communication as Modbus server and as Modbus client.
What are the main data and memory values for 6AV6676-6MB30-3AX0?
User data per job, max. is 250 byte, local data requirements are 302 byte, and FB length in RAM, max. is 24 kbyte.
Is 6AV6676-6MB30-3AX0 suitable for H systems?
Yes. It has redundancy capability and is suitable for configuring H systems.
