412 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.
Cooling
X1 Identification Hardware description
28 SCR Screen For the connection diagram and additional information,
see section Embedded fieldbus (EFB) on page 136.
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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