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SIEMENS SIMATIC S7-1500 6ES7541-1AB00-0AB0 CM PtP RS422/485 HF Communication Module | Original New

SIEMENS SIMATIC S7-1500 6ES7541-1AB00-0AB0 CM PtP RS422/485 HF Communication Module | Original New

SIEMENS · SIMATIC S7-1500

6ES7541-1AB00-0AB0

CM PtP RS422/485 HF Communication Module

INTERFACE RS422 / RS485	PROTOCOLS Freeport, 3964R, USS, MODBUS RTU
DATA RATE Up to 115.2 kbit/s	CONNECTOR 15-pin D-sub socket
LEAD TIME In stock	WARRANTY 1 year

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WhatsApp +86 18159889985

Appurtenance:

siemens simatic s7 1500 6es7541 1ab00 0ab0 cm ptp rs422 rs485 hf original new-1

Overview
Technical Data
Inquiry
Applications
Interfaces
Functions
Installation
FAQ
Recommend Models
Recommended Products

FLEXIBLE POINT-TO-POINT COMMUNICATION

CM PtP RS422/485 HF Communication Module

Official article number 6ES7541-1AB00-0AB0

The 6ES7541-1AB00-0AB0 is the SIMATIC S7-1500 CM PtP RS422/485 HF communication module. It provides an electrically isolated serial interface, selectable RS422 or RS485 operation, protocol support for Freeport, 3964(R), USS and MODBUS RTU, and transmission rates up to 115.2 kbit/s.

SERIAL INTERFACE Electrically isolated RS422/RS485 connection.	PROTOCOL RANGE Freeport, 3964(R), USS and MODBUS RTU master/slave.
LONG LINKS Documented cable lengths up to 1200 m depending on transmission mode.	MODULE DIAGNOSTICS RUN, ERROR, RxD and TxD status indication.

Technical Data

OFFICIAL PRODUCT DATA

Technical Data

CM PtP RS422/485 HF Communication Module · 6ES7541-1AB00-0AB0

Complete model	6ES7541-1AB00-0AB0
Product family	SIMATIC S7-1500
Product type	CM PtP RS422/485 HF communication module
Serial interface	RS422 or RS485; electrically isolated
Connector	15-pin D-sub socket
Protocols	Freeport, 3964(R), USS, MODBUS RTU master and slave
Maximum transmission rate	115.2 kbit/s
Maximum cable length	Up to 1200 m depending on mode and rate
Engineering	STEP 7 TIA Portal V12; STEP 7 V5.5 SP2 with GSD
Dimensions	35 × 147 × 127 mm
Weight	Approx. 0.22 kg
Backplane current	43 mA
Power from backplane bus	0.65 W
Power loss	0.6 W typical
Input address space	8 bytes
Output address space	8 bytes
Status indication	RUN, ERROR, RxD and TxD LEDs
Operating temperature	0 to 60 °C horizontal; 0 to 40 °C vertical

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Applications

APPLICATION PROFILE

Applications

Product-specific engineering uses

LEGACY DEVICE INTEGRATION Connect serial instruments, drives and controllers to an S7-1500 automation system.	MODBUS NETWORKS Operate MODBUS RTU master or slave communication over RS422 or RS485.
FREEPORT TELEGRAMS Implement user-defined serial telegram formats for proprietary field devices.	DRIVE COMMUNICATION Use the USS protocol for supported drive communication tasks.

Interfaces

CONNECTION AND DATA PATHS

Interfaces

Physical and system interfaces

RS422 MODE Supports full-duplex point-to-point communication with separate transmit and receive pairs.	RS485 MODE Supports half-duplex communication and network topologies allowed by the documented standard.
15-PIN D-SUB The front connector carries transmit, receive, functional ground and control signals.	CABLE SELECTION Use shielded Siemens connecting cables and respect rate-dependent cable-length limits.

Functions

FUNCTIONAL CAPABILITIES

Functions

Model-specific operating functions

01 · Freeport operation

Exchanges user-defined telegrams with configurable character frames and timing.

02 · 3964(R) procedure

Provides the Siemens procedure for acknowledged serial data exchange.

03 · USS communication

Supports communication with compatible drives using the USS protocol.

04 · MODBUS RTU

Supports master and slave roles over the selected RS422 or RS485 electrical mode.

05 · Diagnostics

Reports module status and communication activity through RUN, ERROR, RxD and TxD LEDs.

Installation

COMMISSIONING SEQUENCE

Installation

Official mechanical and electrical checks

Mounting Install the 35 mm wide module on the S7-1500 mounting rail beside the assigned CPU or interface module.	Connector wiring Wire the 15-pin D-sub connector for the selected RS422 or RS485 operating mode.
Shielding Use the documented shield connection and grounding arrangement to maintain EMC performance.	Configuration Select the protocol, transmission rate, character frame and address data in the supported STEP 7 environment.

FAQ

PURCHASING AND ENGINEERING CHECKS

FAQ

Six model-specific checks for 6ES7541-1AB00-0AB0

Q1 · How can I verify the exact quoted communication module?

Require a current nameplate image showing 6ES7541-1AB00-0AB0 and CM PtP RS422/485 HF. Confirm the 15-pin D-sub interface and exact article number against the Siemens manual.

Q2 · How can I distinguish new, used and refurbished stock?

Request dated photos of the housing, backplane contacts, mounting latch, front flap and D-sub connector. Scratched pins, rail marks, altered labels or cleaning residue should be disclosed.

Q3 · How should a buyer assess supplier legitimacy?

Verify the legal entity, bank-beneficiary match and inspection process. A qualified supplier should distinguish this HF module from basic variants and correctly identify its RS422/RS485 interface and supported protocols.

Q4 · What should an engineer verify before ordering?

Confirm electrical mode, topology, baud rate, cable length, pin assignment, grounding, protocol role and STEP 7 version before approving the exact article number.

Q5 · What evidence should be requested before payment?

Request timestamped images of the nameplate, D-sub connector, backplane and packaging, plus any available inspection record and written confirmation of condition and included items.

Q6 · Can 6ES7541-1AB01-0AB0 automatically replace this module?

No automatic substitution should be accepted. The later article can have different firmware and engineering requirements; validate the TIA Portal project, CPU compatibility and serial configuration first.

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