Siemens SIMATIC S5 - Page 191

Programming Instructions
R 02/92
9.6.5 Special Functions
Entry in Byte No:
(Module Address +n)
n=O
n=l
n=4
Hex
BCD
Hex
Clock pulse group
Channel number
1 or 2
TB number
O to 24
Code
FO
Hysteresis
Channel number
1 or 2
Hysteresis value
o to 9
Code
F1
Rotary axis
Channel 1
F4
Channel 2
F5
Both channels
E7
Parallel switching
Code
F6
NV (zero shift)
Channel number
1 or 2
NV values
See Sec.
9.2.5
Code
F7
~
Read NV value
Channel 1
E8
Channel 2
E9
Verify-read
Channel number
1 or 2
Number of verify-reads o to 15
Code
F2
Calculate average value (analog submodule)
Channel number
1 or 2
Number o to 15
Code
F3
@ A new NV value can be transferred by writing F7 (NV value) to address +4, without the
SYN LED going on (i.e., operation is still possible). The new NV value is not accepted until
hardware synchronization is performed.
9 – 70
1P 241 Equipment Manual
@SiemensA(31989, Order No.: 6ES5998-0KD21
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com