KTA-296 Wireless I/O Extender
11 Feb 2022
www.oceancontrols.com.au
3 of 7
Connections:
Name
Description
V+
12 or 24V DC power (depending on model)
GND
Ground
DI 1+
Positive side of optically isolated digital input 1*
DI 1
−
Negative side of optically isolated digital input 1*
DI 2+
Positive side of optically isolated digital input 2*
DI 2
−
Negative side of optically isolated digital input 2*
AO 1
Analog Output 1
AO 2
Analog Output 2
AI 1
Analog Input 1
AI 2
Analog Input 2
RELAY 1 NO
Normally Open contact of relay 1
RELAY 2 COM
Common contact of relay 1
RELAY 2 NO
Normally Open contact of relay 1
RELAY 2 COM
Common contact of relay 1
USB
Only used for firmware updates on the KTA-296
Radio
RFD900 long range radio transceiver (900MHz)
AI3
“Link OK” open collector output
* The digital inputs are labelled as positive and negative, but in practice polarity is not
important because they are bi-directional.
Leds:
Name
Description
RELAY 1
Indicates if relay 1 is on
RELAY 2
Indicates if relay 2 is on
RADIO
Shows the status of the radio after configuration:
•
Off.
Radio is ready to communicate at the default
comms settings.
•
Solidly On
. The radio has been initialised correctly
after configuration, and is ready to communicate
•
Flashing slowly
(once a second). No radio has been
found, or unable to communicate to the radio. Check
