Pre-Installation Planning - Power Supply Selection

Power Supply Selection

To determine which power supply to use, calculate power requirements below.

ATTENTION

Using inadequate power supply will cause the controller to cycle power on and off.

Enter quantity of each module type in column A and calculate the 5V and 24V maximum current in columns D and E. Sum the maximum current for all module types and determine if the 900P02 power supply is appropriate.

 

 

A

 

B

 

C

 

D

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Max Current

 

Max Current

5V

 

 

24V

 

 

 

 

 

 

 

 

 

 

 

Module type

Quantity

@ 5 V in mA

 

@ 24 V in mA

mA Sub. Tot

 

mA Sub. Tot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

( D = A * B )

 

( E = A * C )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Controller

(

)

600

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Scanner

(

)

600

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Analog Input (8 pts)

(

)

40

 

25

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Analog Output (4 pts)

(

)

40

 

200

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Digital Input (16 pts)

(

)

230

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC Digital Input (16 pts)

(

)

230

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact Input (16 pts)

(

)

230

 

40

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Digital Output (8 pts)

(

)

220

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC Digital Output (16 pts)

(

)

430

 

0

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Relay Output (8 pts)

(

)

140

 

100

 

(

)

 

(

)

 

 

 

 

 

 

 

 

 

 

 

 

Total mA

 

 

 

 

 

 

Total 5V= (

)

Total 24V= (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Is total 5V less than 2000?

 

 

Yes/No

 

 

 

 

 

 

 

2.

Is total 24V less than 900?

 

 

Yes/No

 

 

 

 

 

 

 

3.

If the answer to 1 and 2 are YES, go to 4. If the answer to 1 or 2 is NO, use power supply 900P01-0001.

 

4.

Multiply 5V total by 5.1.

 

 

 

(

 

)

 

 

 

 

 

 

5.

Multiply 24V total by 24.5.

 

 

(

 

)

 

 

 

 

 

 

6.

Sum results of 4 and 5.

 

 

 

(

 

)

 

 

 

 

 

 

7.

Divide results of 6 by 1000

 

 

(

 

)

 

 

 

 

 

 

8.

Is the result of 7 less than 28?

 

Yes/No

 

 

 

 

 

 

 

9.

If the answer to 8 is Yes, use power supply 900P02-0001

 

 

 

 

 

 

 

10.

If the answer to 8 is No, use power supply 900P01-0001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revision 5

HC900 Hybrid Controller Installation and User Guide

37

9/03

 

 

Page 47
Image 47
Honeywell HC900 manual Power Supply Selection

HC900 specifications

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