Mettler Toledo MT Guide de l'utilisateur Page 94

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IND780 User’s Guide
IDNet, Serial and Discrete I/O Boards
All other option boards – IDNet, Serial, Discrete I/O – feature a pair of green LEDs,
only one of which is functional in the IND780.
D1
D3
D1
D3
D1
D3
Figure 3-10: LED Locations: IDNet (left), Serial (center) and DIO (right) Cards
These LEDs function as follows:
LED Color Function
D1 N/A N/A
D3 Green
Slow blink (~1 Hz) indicates there is no USB communication with
main PCB.
Fast blink (~4 Hz) indicates USB communication with main PCB is
operating properly.
POWERCELL PDX Board
Figure 3-11 indicates the locations of LEDs on the POWERCELL PDX board. Table
3-4 describes the function of the LEDs.
I
3
3-14
Figure 3-11: PDX Board LEDs
Table 3-4: PDX Board LEDs Function
LED Color Function
I1: SW Amber
ON – the board’s discrete output is turned on
OFF – the board’s discrete output is turned off
I2: USB Amber
ON – the USB connection to the main board is active
OFF – the USB connection to the main board is inactive
I5
I4
I2
I1
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