Doc No: MM5008E – Revision 6 – ENG
Data Processing Racks
TA3840 Maintenance Manual
7
Electronic boards
TA3840C - Communication unit
●
Remove the 2 upper screws of the front panel.
Tilt the front panel while maintaining it to prevent that it goes out from its
hinges - Risk of deterioration by falling.
1
Power supply and communication board
2
Control Processing Unit board
3
LCD display board
4
4-20 mA analog inputs boards, 48 channels each (option),
or multifunction boards (option)
TA3840C A/D - Data collection unit
Only the items 1 and 4 are present. The front panel is blind.
TA3840S - Safety unit
●
Remove the 2 upper screws of the front panel.
Tilt the front panel while maintaining it to prevent that it goes out from its hinges -
Risk of deterioration by falling.
2
1
4
3