Compax3 Accessories C3I22T11
392 192-120114 N5 C3I22T11 June 2008
Function of the HEDA LEDs
Green LED (left)
HEDA module energized
Red LED (right)
Error in the receive area
Possible causes:
at the Master
no slave sending back
Wrong cabling
Terminal plug is missing
several masters are sending in the same slot
at the slave
several masters in the system
no master active
Terminal plug is missing
no transmission from one or several receive slots (neither by the master nor by
another slave)
9.10.3. Option M10 = HEDA (M11) & I/Os (M12)
The M10 option includes the M12 input/output option and the HEDA M11 option.
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