Instructions

6 Operation
17
akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
6.2 Controls and interfaces
Abb. 6.2 Front view
Assignment of LEDs is described in Tab. 6.1.
Abb. 6.3 Open front cover
Under the front cover:
1. MicroUSB programming connector
2. RTC battery
3. Service interface
4. RUN/STOP switch
Tabelle 6.1 Indication
LED Color State
Description
green
ON Power on
red
ON
– program checksum error
– retain memory error
– system error
flashing Overheating
F1
green
ON
Programmable
F2
green
ON
DI1…DI8
green
ON
HIGH on input
AI1…AI4
green
ON
HIGH on input (digital mode only)
DO1…DO8
green
ON
Output is on
red ON
24 V DC power off, powered over USB,
program stopped
green
ON
24 V DC power on, program runs
red / green
red – ON
green – fast flashing
24 V DC power on,
program is being transferred to device