Siemens SIMATIC S5 Equipment Manual

R 02/92
Programming Instructions
Changing the setpoints (AE)
Parameterize the working data block as shown below.
DW n
I
AE
I
KS
DW n+l
Track number
I
User-DB KY
DW n+2
DW n+3
DW
n+4
Track identifier bits, channel 1
KM
DW n+5
Track identifier bits, channel 2
KM
DW n+6
Assigned
ST parameter KM
I
DW n+7
I
O or 255
I
Alarm bit O to 7
I
KY
Input
Input
Unaffected
Unaffected
output
output
Output of control bits
Input *)
*) This parameter is used for PLCS S5–150U/S and S5-155U in 150U mode during interrupt
processing (see section 9.4.8).
The track number (DL n+l) must be between zero and 31 depending on the desired track.
The data block number of the user data block
(DR n+l) must be the same data block number
used also during startup in connection with function block FB 156.
The setpoints to be changed are located in the user data block used to parameterize the mo-dule
(see FB 156 description for assignment). The initial and the end setpoint must be specified for
each track. The track is deleted for interrupt identifier KH =
FFFE
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Siemens SIMATIC S5 Specifications

General

Product type designation	SIMATIC S5
Programming language	STEP 5
Digital inputs	Varies by model
Digital outputs	Varies by model
Analog inputs	Varies by model
Analog outputs	Varies by model
Supply voltage	24V DC
CPU Type	Varies by model
Memory	Varies by model
Digital I/O	Varies by model
Analog I/O	Varies by model
Communication	PROFIBUS
Operating Temperature	0°C to 60°C
Relative Humidity	5% to 95% (non-condensing)