Rockwell-automation 1606-XLSBUFFER48 Power Supply Reference Manual Manual de usuario descargar pdf (Pagina 6)

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

6 Rockwell Automation Publication 1606-RM027A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

8. Functional Diagram

Fig. 8-1 Functional diagram

Buffer Capacitor

Charger &

Inrush Limiter

Buffer

Capacitor

Buffer Capacitor

Discharger

Status

lamp

7 Active

6 +

Ready Monitor

Active Monitor

Optokoppler

8 Ready

9 Inhibit

Optokoppler

Buffer

Capacitor

Shut-Down

Input / Output

Voltage Monitor

Back-up

Level

Selector

Reverse-

Polarity

Protection

Safety and

Over-

Voltage

Protection

Chassis

Ground

9. Front Side and User Elements

Fig. 9-1 Front side

A. I/O Power Port

Quick-connect spring-clamp

terminals,

+ Positive terminal

- Negative terminal

Chassis Ground

to bond the housing

B. Status lamp

OFF: Buer is discharged, or

terminal voltage is below 22V

ON: Unit is fully charged

Flashes 1,25Hz:

Unit is in charging mode

Flashes 10Hz:

Unit is in discharging mode

C. Signal Port

Plug Connector

6 common + pole

Active : unit is buering

Ready: unit is on stand-by

Inhibit : initiates buer

discharging and inhibits

recharging of capacitors

D. Back-up threshold jumper

1-2: Variable mode

Unit switches to buer mode when input

voltage decreases by 1V within 1.1V/s or

the input voltage falls below 45V.

2-3: Fixed mode, (factory setting)

Unit switches to buer mode as soon as the

voltage falls below 45V

Missing jumper = 45V xed

Set the unit to xed mode:

when using other power supplies

than the 1606-XLS series

with back-feeding loads

when the buer unit is placed close to

the load

whenever in doubt

Set the unit to variable mode:

for 48V applications

when the buer unit is placed close to

the power supply

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