Siemens SIMATIC S7-1200 System Manual page 1489

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Table of Contents

Technical properties

● IO-Link Master according to IO-Link specification V1.1 (see the IO-Link Consortium

website (http://io-link.com/en/index.php) for details)

● Serial communication module with four ports (channels)

● Data transmission rate COM1 (4.8 kbaud), COM2 (38.4 kbaud), COM3 (230.4 kbaud)

● SIO mode (standard IO mode)

● Connection of up to four IO-Link devices (3-wire connection) or four standard actuators or

standard encoders

● Programmable diagnostics function by port

Supported functions

● I&M (installation and maintenance) identification data

● Firmware update

● IO-Link parameter assignment by means of the S7-PCT port configuration tool, STEP 7

Professional, and an S7-1200 V4.0 or later CPU

IO-Link is a point-to-point connection between a master and a device. Both conventional and

intelligent sensors/actuators can be used as devices at the IO-Link via unshielded standard

cables using proven 3-wire technology. IO-Link is backward compatible with conventional

digital sensors and actuators. The circuit state and data channel are designed in proven 24 V

DC technology.

For additional information about the SIMATIC-IO-Link technology, refer to the "IO-Link

system Function Manual" on the Siemens Industry Online Support website

(http://support.automation.siemens.com).

IO-Link parameter data

When you replace the SM 4xIO-Link Master, the parameter data is not automatically

assigned to it.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK

Technical specifications

A.12 Technology modules