ABB DriveIT ACH550-01 User Manual page 7

ACH550 User's Manual
Table of Contents
6. Booster pump ....................................... 96
7. Pump alternation .................................. 98
8. Internal timer ...................................... 100
9. Internal timer with constant speeds/
Powered roof ventilator ......................... 102
10. Floating point .................................... 104
11. Dual setpoint with PID ...................... 106
12. Dual setpoint with PID and constant
speeds .................................................... 108
13. E-bypass (USA only) ........................ 110
14. Hand Control .................................... 112
Real-time clock and timer functions ....... 115
What this chapter contains ..................... 115
Real-time clock and timer features ......... 115
Using the timer ....................................... 116
1. Enabling the timer .............................. 118
2. Setting the time period ....................... 119
3. Creating a timer .................................. 121
4. Connecting parameters ...................... 122
Example of timer use ............................. 124
Serial communications ............................ 129
What this chapter contains ..................... 129
System overview .................................... 130
Mechanical and electrical installation of the
plug-in fieldbus ....................................... 132
Setting up communication through a plug-in
fieldbus adapter module ......................... 134
Drive control parameters ........................ 136
Fieldbus control interface ....................... 145
Generic Drive Profile .............................. 159
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