Advantech RS-485 Bedienungsanleitung PDF herunterladen (Seite 328)

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101

E-2 ADAM-5000

ADAM-4000/5000 System Grounding Installation

E. 1 Power Supplies For relevant wiring issues,

please refer to the following scheme :

Figure E-1: Grounding Scheme

E.2 Grounding Installation

Ø The outer case for the module is made of iron and fitted with a fan

and convection holes with filters.

Ø If possible, wiring should be connected to the module through an

external terminal block (T/B) to avoid external wires directly getting

into the inside of the module. Its advantages are (1) a clear demar-

cation for external/internal wiring responsibility, (2) wire numbering

can be arranged in an explicit and concise manner, and (3) an easy

diagnostics for the wiring problems and a more aesthetical layout

plan.

NFB

P/S

NFB

GND

P/S I/O

ADAM 5000

NFB

DC24V

DC10~30V

E1 R1 T1

Tr3

MNFB

AC Power Line

E R T

Isolation AC Transformer

To prevent system control from interferences caused by external power

Connect to AI/DI/DO modules (not for Relay output)

The power sources for DI. DO. and AI. should be independent

Only for Relay output

Fan, Light...etc.

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