Pilz PX 30 - Parallel Drive through a Plcs I;O-Level Monitor Mode

3-20
Driving the Display
PX 30 and PX 120 Operating Manual
Special Mode
PX 120 23 22 21 20 16
01
7
0
Special Function Code
PX 30 15 14 13 12 8
y
5
yy y y y
0
Special Function Code Function
binary hexadecimal
000000 00 Not occupied
000001 01 Segment test on
000010 02 Segment test off
000011 03 Output version number
000100 04 Auto-display of text memory contents - on
000101 05 Auto-display of text memory contents - off
000110 06 Clear display
000111 07 Status display - on
Please refer to page 3-11 for details of the special functions.
The function and layout of inputs in special mode is the same for binary as for BCD-
mode.
Parallel Drive through a PLC's I/O-Level
Monitor Mode
Monitor mode is active when input E23 (PX 120) or E15 (PX 30) is high. Input E22 or
E14 (handshake input; enable signal) and the HS output (handshake) are used to drive
the handshake algorithm. Inputs E0 ... E15 (PX 120) and E0 ... E7 (PX 30 or PX 120 in
16-input mode) are data inputs.
Function and Layout of Inputs
24 Inputs (PX 120)
23 22 21 20 19 18 17 16
1
7
0
Data Inputs
15 8
Control Inputs
ss
Input
15 14 13 12 11 10 8
23 22 21 20 19 18 16 7
23 22 21 20 19 18 17 16 15 8
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