Description  
This entry provides you with a STEP 7 Micro/WIN library that includes a block for a pulse relay function.

The pulse relay (block: Pulse_Relay)

Fig. 1: Pulse_Relay block
 

Parameter	Variable type	Explanation
EN	[BOOL]	ENABLE: enabling of the function, must always be TRUE (1)
Input	[BOOL]	Signal input, with a rising edge (0->1) the output is set or reset
Set	[BOOL]	Setting the output regardless of the current state
Reset	[BOOL]	Resetting the output regardless of the current state
Memory	[BOOL]	Temporary memory
Output	[BOOL]	Signal output

Table 1: Parameters of the Pulse_Relay

Function
If there is a change of edge from 0->1 (rising edge) at the "Input" signal input, the "Output" signal output is set if it is in the Low state or reset if it is in the High state.

Fig. 2: Pulse_Relay signal diagram

The STEP 7 Micro/WIN library as archive file
Copy the "logo_functions.exe" file into a separate directory and then start the file with a double-click. The STEP 7 Micro/WIN library is unpacked. You can then integrate the library, which can be used in version V3.2.4.27 and higher of STEP 7 Micro/WIN, into your S7-200 project.

Notes

• Information about inserting libraries in STEP 7 Micro/WIN is available in Entry ID: 16689345.

logo_functions.exe ( 29 KB )