ABB RCNA-01 Uživatelský manuál Strana 7

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ACH550-01 User's Manual
Table of contents 3
3. Return fan .............................................................. 96
4. Cooling tower fan................................................... 98
5. Condenser ........................................................... 100
6. Booster pump ...................................................... 102
7. Pump alternation.................................................. 104
8. Internal timer........................................................ 106
9. Internal timer with constant speeds / Powered
roof ventilator ....................................................... 108
10. Floating point ..................................................... 110
11. Dual setpoint PID............................................... 112
12. Dual setpoint PID with constant speeds ............ 114
13. E-bypass (USA only) ......................................... 116
14. Hand control ...................................................... 118
Connection examples of two-wire and three-wire
sensors................................................................. 120
6. Real-time clock and timed functions..................... 121
What this chapter contains ...................................... 121
Real-time clock and timed functions ........................ 121
Using the timer......................................................... 122
Example of timer use ............................................... 129
7. Serial communications........................................... 133
What this chapter contains ...................................... 133
System overview...................................................... 134
Embedded fieldbus (EFB)........................................ 136
Fieldbus adapter (EXT FBA).................................... 141
Drive control parameters ......................................... 147
Fault handling .......................................................... 156
8. Parameter listing and descriptions ....................... 159
What this chapter contains ...................................... 159
Parameter groups .................................................... 159
Complete parameter list........................................... 322
9. Diagnostics and maintenance................................ 363
What this chapter contains ...................................... 363
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