4

SVCREQ #9: Read Sweep Time from Beginning of Sweep

Use SVCREQ function #9 to read the time in milliseconds since the start of the sweep. The data is in 16-bit Word format.

Note

Of the CPUs discussed in this manual, Service Request 9 is supported only by 90-30 CPUs, beginning with Release 8.0.

The parameter block is an output parameter block only; it has a length of one word.

time since start of sweep

address

Example:

In the following example, the elapsed time from the start of the sweep is always read into location %R5200. If it is greater than the value in %R5201, internal coil %M0200 is turned on.

 

_____

 

_____

 

%Q0102

 

 

—— ———

SVC_——————————

GT_ —

 

REQ

WORD

 

 

%M0200

CONST —FNC

%R5200—I1

Q——————————————————————————————————————————( )—

0009

 

 

 

 

%R5200—PARM

%R5201—I2

 

_____

_____

 

 

 

 

 

 

 

4-150

Series 90-30/20/Micro Programmable Controllers Reference Manual–September 1998

GFK-0467K

Page 231
Image 231
GE 90-30/20/Micro manual Svcreq #9 Read Sweep Time from Beginning of Sweep