Installation Guide

The MOSCAD-M Unit
18
IO3 Page LED Functions
The following table describes the functions of the diagnostic LEDs when set to the IO3
(Page 3) toggle or display (IO3 LED on). Each AI has two LEDS which represent its status
(underflow or overflow). When both LEDS are lit, that means that this specific AI is not
calibrated.
Name On/Off Function/Indication
CPU Off
Flashing: FPGA is not loaded correctly.
IO1 Off
IO2 Off
IO3 On Display is in IO3 page.
LED 1 On AI1 Overflow.
LED 2 On AI1 Underflow.
LED 3 On AI1 is uncalibrated.
LED 4 Off AI1 measures Current. (If AI1 is On,
it measures Voltage.)
LED 5 On AI2 Overflow.
LED 6 On AI2 Underflow.
LED 7 On AI2 is uncalibrated.
LED 8 Off AI2 measures Current. (If AI2 is On,
it measures Voltage.)
LED 9 On AI3 Overflow.
LED 10 On AI3 Underflow.
LED 11 On AI3 is uncalibrated.
LED 12 Off AI3 measures Current. (If AI3 is On,
it measures Voltage.)
LED 13 On AI4 Overflow.
LED 14 On AI4 Underflow.
LED 15 On AI4 is uncalibrated.
LED 16 Off AI4 measures Current. (If AI4 is On,
it measures Voltage.)