418 Technical data
ACH550-01 User's Manual
Communications
Terminals 28
…32 are for RS485 communications. Use shielded
cables.
Efficiency
Approximately 98% at nominal power level.
Losses, cooling data and noise
X1 Identification Hardware description
28 SCR Screen For the connection diagram and additional information,
see section Embedded fieldbus (EFB) on page 142.
29 B + Positive
30 A - Negative
31 AGND
32 SCR Screen
Cooling specifications
Method Internal fan, flow direction from
bottom to top
Free space around the
unit
• 200 mm (8 in) above and
below the unit
• 0 mm (0 in) along each side
of the unit
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