TS-8820-leds

From Technologic Systems Manuals

The TS-8820 has 27 LEDs used to indicate the electrical status of the inputs and outputs on the device. LEDs are labelled as "LED#" on the PCB silkscreen.

The majority of the LEDs are not able to be directly controlled, they turn on or off as a reaction to the status of the I/O they are connected to. For example, when DIG_OUT1 is set, LED17 will turn on. The "System" LEDs are the exception to this and are controlled via the SoM LED interface.

LED FUNCTION --- LED FUNCTION
1 System RED_LED 2 Doesn't exist.
3 System Power 4 System GREEN_LED
5 RELAY_1 6 RELAY_2
7 RELAY_3 8 RELAY_4
9 DIG_IN1 10 DIG_IN2
11 DIG_IN3 12 DIG_IN4
13 DIG_IN5 14 DIG_IN6
15 DIG_IN7 16 DIG_IN8
17 DIG_OUT1 18 DIG_OUT2
19 DIG_OUT3 20 DIG_OUT4
21 DIG_IN9 22 DIG_IN10
23 DIG_IN11 24 DIG_IN12
25 DIG_IN13 26 DIG_IN14
27 DIG_OUT5 28 DIG_OUT6