Pixsys PL260, User Manual

Page: 6 / 72

6
1.2 Front panel and main features
1 2 3 4 5
4 5 6
N° Description
1 Plug connector for serial communication COM1 and COM2
2
Green led RUN:
•
ON PLC is in RUN mode and is executing the instructions
programmed by ladder language.
•
Slowly flashing 0,5 s on / 0,5 s off) PL260 is used as I/O
module (no ladder program loaded).
•
Fast flashing (0,2 s on / 0,2 s off) only boot program is loaded
on PL260 (no main program and no ladder application)
Yellow led COM:
•
ON for 50mS during transmission of each frame on one of the
available serial ports
•
ON always during ladder programming or maintenance of PLC
(updating main program)
3 Expansion terminal block for COM1 and EXP1 serial
4 Terminal block for digital inputs with led to signal active input
5 Terminal block for digital outputs with led to signal active outputs
6 Power-supply terminal block, analogue inputs/outputs