ABB ACH550-01 User Manual page 8

ACH550-01 User's Manual
5. Condenser ........................................................... 104
6. Booster pump ...................................................... 106
7. Pump alternation.................................................. 108
8. Internal timer ........................................................ 110
9. Internal timer with constant speeds / Powered roof
ventilator............................................................... 112
10. Floating point ..................................................... 114
11. Dual setpoint PID ............................................... 116
12. Dual setpoint PID with constant speeds ............ 118
13. E-bypass (USA only) ......................................... 120
14. Hand control ...................................................... 122
Connection examples of two-wire and three-wire
sensors................................................................. 124
Connection for obtaining 0...10 V from analogue
outputs ................................................................. 125
6. Real-time clock and timed functions ..................... 127
What this chapter contains ...................................... 127
Real-time clock and timed functions ........................ 127
Using the timer......................................................... 128
Example of timer use ............................................... 135
7. Serial communications ........................................... 139
What this chapter contains ...................................... 139
System overview...................................................... 140
Embedded fieldbus (EFB)........................................ 142
Fieldbus adapter (EXT FBA).................................... 147
Drive control parameters ......................................... 153
Fault handling .......................................................... 162
8. Parameter listing and descriptions ....................... 165
What this chapter contains ...................................... 165
Parameter groups .................................................... 165
Complete parameter list........................................... 328
9. Diagnostics and maintenance................................ 369
What this chapter contains ...................................... 369
Table of contents
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