ABB i-bus KNX Product Manual page 5

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ABB i-bus KNX
Contents
Planning and application ............................................................................. 237
4.1
4.1.1
4.1.1.1
4.1.1.2
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
4.2
4.2.1
4.2.2
4.2.2.1
4.3
4.3.1
4.3.2
4.3.3
4.3.3.1
4.3.3.2
4.3.3.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.5
A
A.1
A.2
A.3
A.4
A.5
A.6
Fan output ................................................................................................................................ 238
Fan operation ........................................................................................................................... 238
Fan with changeover switch ..................................................................................................... 240
Fan with step switch ................................................................................................................. 240
Automatic operation .................................................................................................................. 240
Direct operation ........................................................................................................................ 242
Switchover between automatic and direct operation ................................................................ 242
Speed switching logic ............................................................................................................... 243
Fan operation functional diagram ............................................................................................. 244
Switch output ............................................................................................................................ 245
Function diagram ...................................................................................................................... 245
Time function ............................................................................................................................ 246
Staircase light ........................................................................................................................... 246
Valve drives, valves and controller ........................................................................................... 247
Electromotor Valve Drives ........................................................................................................ 247
Electrothermal Valve Drives ..................................................................................................... 247
Control types ............................................................................................................................ 248
Continuous control .................................................................................................................... 248
Pulse width modulation (PWM) ................................................................................................. 249
Pulse width modulation - calculation ........................................................................................ 251
Reaction on bus voltage failure, recovery, download and ETS reset ........................................ 252
Bus voltage recovery ................................................................................................................ 252
Bus voltage recovery ................................................................................................................ 252
ETS reset .................................................................................................................................. 253
Download.................................................................................................................................. 253
Priorities.................................................................................................................................... 254
Appendix .......................................................................................... 255
Scope of delivery ...................................................................................................................... 255
Status byte General .................................................................................................................. 256
Status byte outputs A, B, C, D .................................................................................................. 257
Status byte fan .......................................................................................................................... 258
Ordering details ........................................................................................................................ 259
Notes ........................................................................................................................................ 260
FCA/S 1.x.x.1 | 2CDC508134D0202 iii