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NXS Form 63-2600, Users Manual, Technical Data - CONTROL ...

NXS Form 63-2600, Users Manual, Technical Data - CONTROL ...

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104 Pump and Fan Control Application Honeywell<br />

Interlocks<br />

Interlock 4<br />

Interlock 3<br />

Interlock 2<br />

Interlock 1<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

5 7<br />

Relay<br />

control<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

ON<br />

OFF<br />

Aux3running<br />

Aux2running<br />

Aux1running<br />

Main drive running<br />

Max Freq<br />

Aux. 1, 2 and 3<br />

Start frequency<br />

2<br />

4 6 8<br />

Main drive<br />

output freq.<br />

Aux. 1, 2 and 3<br />

Stop frequency<br />

3<br />

Min Freq<br />

1<br />

f<br />

100%<br />

8<br />

Main<br />

drive<br />

PID output<br />

2<br />

4<br />

5<br />

M.<br />

d.<br />

Aux. drive 2<br />

Aux<br />

2 Aux. drive 3<br />

1<br />

Aux. drive 1<br />

Figure 7-4. Example of the function of the PFC application with three aux. drives.<br />

t<br />

Automation and Control Solutions<br />

Honeywell<br />

Honeywell Limited-Honeywell Limitée<br />

1985 Douglas Drive North 35 Dynamic Drive<br />

Golden Valley, MIN 55422 Scarborough, Ontario <strong>63</strong>-<strong>2600</strong>-1<br />

MIV 4Z9<br />

www.honeywell.com

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