Accessories (overview), General accessories power supply unit – Lenze 9400 Manual User Manual

Page 578

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Accessories (overview)

General accessories

Power supply unit

9

576

EDS94SPP101 EN 7.1

Function monitoring
The LED, the active DC OK switching output and a potential-free contact provide the

function monitoring.

LED

DC OK

switching

output

Potential-free

contact

Meaning

Output voltage

Description

ON

U = 24 V

closed

U

output

> 0.9 U

input

Device is in operation,

z

the output voltage U

output

is

higher than 90 % of the set

voltage U

input

z

the output current is in the

permissible range

BLINKING

U = 0 V

open

U

output

< 0.9 U

input

Device is in operation but

z

error at the load

z

current consumption is higher

than I

BOOST

z

output is short-circuited

OFF

U = 0 V

open

U

output

= 0

Device is out of service because

z

no mains voltage is applied

z

the circuit-breaker is activated

z

the device is defect

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