Siemens SIMATIC S7-1200 System Manual page 1223

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Table of Contents

Parameter CONDITIONS data type structure part 1 (start conditions)

Table 13- 100 CONDITIONS structure for START conditions

Parameter and type

S7-1200 Programmable controller

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

Communication processor and Modbus TCP

13.6 Legacy PtP communication (CM/CB 1241 only)

Specifies the start condition (Default value: 1)

01H - Start Char

02H - Any Char

04H - Line Break

08H - Idle Line

10H - Sequence 1

20H - Sequence 2

40H - Sequence 3

80H - Sequence 4

The number of bit times required for idle line timeout. (Default value:

40). Only used with an idle line condition. 0 to 65535

The start character used with the start character condition. (Default

value: B#16#2)

Sequence 1 ignore/compare control for each character: (Default

value: B#16#0)

These are the enabling bits for each character in start sequence

01H - Character 1

02H - Character 2

04H - Character 3

08H - Character 4

10H - Character 5

Disabling the bit associated with a character means any character

will match, in this sequence position.

Sequence 1 start characters (5 characters). Default value: 0

Sequence 2 ignore/compare control for each character. Default val-

Sequence 2 start characters (5 characters). Default value: 0

Sequence 3 ignore/compare control for each character. Default val-

Sequence 3 start characters (5 characters). Default value: 0

Sequence 4 ignore/compare control for each character. Default val-

Sequence 4 start characters (5 characters), Default value: 0