Siemens SIMATIC S5 Equipment Manual

Programming Instructions
R 02/92
Alarm processing may only be performed at block boundaries (exception: PLCS S5–155U and
S5–115U).
Example:
Program in 062:
Program in 061:
– Save scratchpad flags
–Save DW n, DL
n+l, DR n+6
and DW n+7
IA DB 158
:L KS KB
:T
DW n
:L KY 0,0
:T DW n+7
: JU FB 158
NAME :
PER:WSI
DBDW : KY 158,n
PAFE :
:L
DW n+6
:T FY 191
:0 F 190.0
:0 F
191.0
: JC FB xx
:0 F
190.1
:0 F
191.1
: JC FB yy
IA
DB 158
:L
KS xx
:T
DW n
:L KY 0,0
:T DW
n+7
:
JU FB 158
NAME :
PER:WSI
DBDW :
KY 158,n
PAFE :
:L
DW n+6
:T FY 190
:U
F 190.0
:
JC FB xx
:U
F 190.1
: JC FB yy
:L
KBO
:T
FY 190
:T FY 191
- Load DW n, DL n+l, DR n+6
and DW n+7
- Load scratchpad flags
: BE
FB xx = Your own alarm program for channel 1
FB yy = Your own alarm program for channel 2
After the control bits have been evaluated in the alarm–controlled program, they must be reset or
the alarm programs (FBxx and FByy) might be processed again during the cyclic program.
9 – 44
1P 241 Equipment Manual
@ Siemens AG 1989, Order No.: 6ES5 998-0KD21
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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)