Direct select unit connection – Toa N-8000 Series User Manual

Page 373

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3-69

Chapter 3

INSTALLATION & WIRING

13.8. Direct Select Unit Connection

[General description of connection]
For cables, refer to

p. 3-81

.

1. Power supply connection

Connect the supplied power supply cord to AC

Mains or a UPS (Uninterruptible power supply).

About power supply cord handling

The supplied power supply cord is designed for

exclusive use with the N-8000DI.

Never use it with other equipment.

2. Contact input terminal connection

(Refer to

p. 3-83

, Terminal plug connection.)

[Specification of no-voltage make contact input]

Short-circuit current: 5 mA

Open-circuit voltage: 24 V

* Select an appropriate UPS taking into consideration the total power consumption of all system components

and the required backup time. On-line uninterruptible power supply (UPS) is recommended.
Reference

Direct select unit: 16 W (rated) for CE version, 16 W (rated) for CU version

8-Port 10M/100M Switching Hub: 10 W (Differs depending on products.)

1

2

2

2

2

Be sure to ground.

To AC mains or a UPS

(Uninterruptible power supply system)*

Note

If there is a danger of lightning strikes,

insert an appropriate surge arrester

into the power line.

*

1

10P removable terminal plug

(supplied with the N-8000DI)

*

1

Contact input signals

Contact input signals

Contact input signals

Contact input signals

N-8000DI Direct select unit

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