Siemens 6AV6676-6MB20-3AD0

SIMATIC MODBUS/TCP PN-CPU Online Software Delivery Single license

MPN
6AV6676-6MB20-3AD0
Price and lead time confirmed within 1 business day
Request a Quote

A real person replies, typically within 1 business day — see our privacy policy.

What happens next
  1. We check stock, condition and lead time
  2. You get a written quote by email
  3. Approve it and we ship — in-stock parts within 1 business day
  • 12-month warranty (new) · 3-month (used/refurbished)
  • 30-day returns, no restocking fee on unused parts
  • Ships via
  • 100% positive eBay feedback

Have spare Siemens parts? We buy surplus →

What is the Siemens 6AV6676-6MB20-3AD0?

SIMATIC MODBUS/TCP PN-CPU Online Software Delivery Single license

Specifications

General information

STEP 7 TIA Portal configurable/integrated from versionV13
STEP 7 configurable/integrated from versionSTEP 7 V5.5 or higher
PCS 7 configurable/integrated from versionPCS 7 V7.1 SP2
Redundancy capabilityNo

Protocols

Communication as Modbus serverYes
Communication as Modbus clientYes
User data per job (of which consistent), max.250 byte

Operating systems

Windows XPYes
Windows 7Yes

Software

— ET 200SYes; FW V3.2 or higher
— ET 200proYes; FW V3.2 or higher
— S7-300Yes; FW V3.2 or higher
— S7-400Yes; FW V6.0 or higher
— WinACNo
— Suitable for other target systemYes; See: https://support.industry.siemens.com/cs/ww/en/view/104946406
Local data requirements156 byte
FB length in RAM, max.19 kbyte
Multi-instance capableYes
MultiportYes
Client-server couplingSIMATIC S7 as master or slave
implemented function codes01, 02, 03, 04, 05, 06, 15, 16
Single license (EL)Yes

Configuration

Wizard for configuration supportYes; Wizard
— LADYes
— FBDYes
— STLYes
— SCLYes
— CFCYes
— GRAPHYes
— STL example projectYes
— CFC example projectYes

Documentation

GermanYes
EnglishYes

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

6AV6676-6MB20-3AD0: frequently asked questions

When can 6AV6676-6MB20-3AD0 be shipped?

6AV6676-6MB20-3AD0 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 6AV6676-6MB20-3AD0 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 6AV6676-6MB20-3AD0 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 6AV6676-6MB20-3AD0, subject to availability and destination.

More Siemens parts

Siemens 6AV6676-6MB10-0AD0 – SIMATIC MODBUS/TCP PN RED FOR S7-400 PN-(H) SYSTEMS, Online Software Delivery SINGLE LICENSE
Siemens
6AV6676-6MB10-0AD0

SIMATIC MODBUS/TCP PN RED FOR S7-400 PN-(H) SYSTEMS

Siemens 6AV6676-6MB10-0AX0 – SIMATIC MODBUS/TCP PN Red for S7-400 PN-(H) systems, Single license, on CD-ROM
Siemens
6AV6676-6MB10-0AX0

SIMATIC MODBUS/TCP PN Red for S7-400 PN-(H) systems

Siemens 6AV6676-6MB20-3AD0Price and lead time confirmed within 1 business day
Request a Quote