Function description
Operating Manual PIT m4SEU
1004648-EN-02
| 17
PITreader
Power
A2
A1
IDo3
IDo2
IDo0
IDi1
IDi0
Inputs
Terminals
MSO5
MSO4
MSO3
MSO2
MSO1
(Sa
fe
)
O
p
e
ra
ti
n
g
Mo
d
e
s
In
te
rf
a
ce
Ke
y
ID
I
n
te
rf
a
ce
SIo3
SIo2
SIo1
SIo0
St
a
tu
s
In
fo
rma
ti
o
n
In
te
rf
a
ce
Transponder Key
IDo1
Configurable
Input/Output
Outputs
Inputs
I4
I3
I2
I1
O4
O3
O2
O1
PITreader
Interface
24V
0V
TxD
RxD
Fig.: Block diagram
Legend
Transponder Key Transponder key to enable a change of operating
mode
PITreader Authentication system
PITreader Interface
0V, 24V, TxD, RxD
Interface for connecting the PITreader, for permission
to select the operating mode
I1 ... I4 Inputs for connecting external pushbuttons to select
the operating mode
O1 ... O4 Operating mode outputs for connecting external dis-
play elements
A1, A2 Supply voltage
MSO1 ... MSO5 Operating mode interface
Interface for displaying the operating mode that is cur-
rently selected, consisting of 5 monitored outputs