Omega Vehicle Security LDN-PS User Manual download pdf (Page 19)

7.0: Applications (continued)

Voltage Drop Estimation

The following information is for guidance only when planning an installation. Voltage measurements must still be made

to ensure the right working voltage for each Orbit Module.

Power Supply

OUTPUT

PSIM-AC PSIM-DC PSIM-5V

PSIM-AC

PSIM-DC

see note 1

volt drop

(from no load output)

V = 5.3 x N (mV)

PSIM-5V

volt drop

V = 2 x N x ( L+1 ) (mV)

Orbit Module with T-CON

volt drop

V = 0.04 x 1+2+3+...+N

see note 2

Standard 2m Comms

cable

see note 3

volt drop

V = 15.2 x N (mV)

Where N = number of Orbit Modules with T-CON following any particular part above

L = cable length for PSIM-5V input cable

Note 1 Input cable length has no affect on this calculation.

Note 2 1 + 2 + 3 + ....... + N = N(N+1)/2.

Note 3 The cable supplied with the Orbit Network Card.

LDN-PS

M-3340/1206

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Omega Vehicle Security LDN-PS User Manual Page 19