SIMATIC S7 Ethernet

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Connection Configuration
Communication Settings
Supported Device Addresses

Data Types of External Devices You Can Use

Connection Configuration

NOTE

The following limitations apply when using the LOGO! series:
- n:1 connection is not supported.
- You cannot use the Display if the ladder software is online.

1:1 Connection

1:n Connection

NOTE

Maximum number of External Devices is 64.

n:1 Connection

NOTE

The number of Displays you can connect depends on the External Device. Check the specifications of the External Device.

n:m Connection

NOTE

The number of Displays you can connect depends on the External Device. Check the specifications of the External Device.
Maximum number of External Devices is 64.

Communication Settings

Examples of communication settings of the Display and the External Device, recommended by Pro-face, are shown.

WARNING

UNINTENDED EQUIPMENT OPERATION

Read and understand the instructions in this section to ensure data is properly transferred.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

Supported Device Addresses

Range of supported device address is shown in the table below. Please note that the actually supported range of the devices varies depending on the External Device to be used. Please check the actual range in the manual of your External Device.

WARNING

UNINTENDED EQUIPMENT OPERATION

Do not simultaneously write to the same register from Display and External Device program.
Do not write 16-bit word values to registers being accessed in a bitwise manner.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

Data Types of External Devices You Can Use

The data types of External Devices you can use in BLUE are as follows.

	S7-200	S7-300/400	S7-1200	LOGO!
BOOL
SINT/USINT/BYTE
INT/UINT/WORD
DINT/UDINT/DWORD
REAL
LREAL	-	-		-
TIME	-		-	-
DATE	-		-	-
TIME_OF_DAY	-		-	-
DATE_AND_TIME	-		-	-
STRING

NOTE

When you change the series of an External Device, variables associated with data types that are not supported in the new series will result in errors.