Siemens SIMATIC S7-200 - Input Point Assignments for High-Speed Counters and Edge Interrupts; HSC0 Modes of Operation (CPU 221, CPU 222, CPU 224, and CPU 226)

SIMATIC Instructions
9-33
S7-200 Programmable Controller System Manual
A5E00066097-02
Table 9-4 Input Point Assignments for High-Speed Counters and Edge Interrupts
Input Point (I)
Element 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1.0 1.1 1.2 1.3 1.4 1.5
HSC0 x x x
HSC1 x x x x
HSC2 x x x x
HSC3 x
HSC4 x x x
HSC5 x
Edge
Interrupts
x x x x
Table 9-5 HSC0 Modes of Operation (CPU 221, CPU 222, CPU 224, and CPU 226)
HSC0
Mode Description I0.0 I0.1 I0.2
0 Single phase up/down counter with internal direction control
SM373=0 count down
Clock
1
SM37.3 = 0, count down
SM37.3 = 1, count up
Clock
Reset
3 Single phase up/down counter with external direction control
I01=0 count down
Clock
Dir.
4
I0.1 = 0, count down
I0.1 = 1, count up
Clock
Dir
.
Reset
6 Two-phase counter with count up and count down clock
in
p
uts
Clock
Clock
7
i
npu
t
s
Cl
oc
k
(Up)
Cl
oc
k
(Dn)
Reset
9 A/B phase quadrature counter,
phase A leads B b
y
90 de
g
rees for clockwise rotation,
Clock
Ph
Clock
Ph
10
hase
A
leads
B
by
90
degrees
for
clockwise
rotation
,
phase B leads A by 90 degrees for counterclockwise
rotation
Phase
A
Phase
B
Reset