Siemens S7-300

Estimated reading time: 6 minutes

Refer to these sections for details:

Supported Series

Siemens S7-300 series.

Websitehttp://www.siemens.com/entry/cc/en/

PLC Connection Settings

Parameters Recommended Options Notes
PLC Type Siemens S7-300 Ethernet
PLC Interface Ethernet

Port # 102

PLC Station # 2
Must match PLC setting

OT Link Platform DeviceHub Configuration

To configure DeviceHub for this Siemens S7-300 Ethernet PLC:

  1. DeviceHub > Add Device
    Type: Siemens
    Driver: Siemens S7-300

  2. Enter details specific to your environment and click Add Device.

Device Addresses

Bit/Word

DeviceType

Format

Range

Description

B

PE

DDDD

0 ~ 40950


W PE DDDD 0 ~ 4095
B PA DDDDd 0 ~ 40950
W PA DDDD 0 ~ 4095
B MK DDDDd 0 ~ 40950
W MK DDDD 0 ~ 4095
B DB DDDDDd 0 ~ 327670
W DB DDDDD 0 ~ 32767

Siemens S7 Protocol Compatibility

The Siemens S7 drivers are similar for S7-300, S7-400, S7-1200, and S7-1500.  The following table lists partial compatibility. Refer to the Siemens documentation for a definitive list.


CPU CP Drive

300 400 WinAC Snap7S 1200 1500 343/443/IE SINAMICS
DB Read/Write (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)
(blue star)
EB Read/Write (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)
(blue star)
AB Read/Write (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)
(blue star)
MK Read/Write (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)

TM Read/Write (blue star) (blue star) (blue star) (blue star)



CT Read/Write (blue star) (blue star) (blue star) (blue star)



Read SZL (blue star) (blue star) (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)
Multi Read/Write (blue star) (blue star) (blue star) (blue star) (blue star) (blue star)
(blue star)
Directory (blue star) (blue star) (blue star) (blue star)

(blue star)
Date and Time (blue star) (blue star) (blue star) (blue star)


(blue star)
Control Run/Stop (blue star) (blue star) (blue star) (blue star)


(blue star)
Security (blue star) (blue star) (blue star) (blue star)



Block Upload/Down/Delete (blue star) (blue star) (blue star)


(blue star) (blue star)