CDA ci860 Bedienungsanleitung PDF herunterladen (Seite 7)

July 17, 2012 | 8

FOUNDATION HSE

Operate

Engineer

Control

OPC

Server

Ethernet TCP/IP

For the use

of passive T-junctions

in the Ex (Haz.) area:

 8 H1 field devices

acc. to FISCO

Field

Us 12,6 VDC

Is 100mA

[EEx ia]

Linking

Device

 1.000 m

 30 m

total

= L

+ ( L

) 1.000 m

4-fold

IEC 61158-2: FF-H1

 Transmission rate fixed 31.25 KBit/s

 max. segment length for copper cable

Type A

 Non-Ex Area: 1.900 m

 Ex Area: 1.000 m

Caution !

Segment length (H1 cable)

considerably reduced by

…the voltage drop

…the limited supply current

…the cable diameter

…the number of H1 Slaves

FOUNDATION H1

Line Lengths, Transmission Rate – FF-H1 [Ex (Haz.) Area]

1 2 3 4 5 6 7 8 9 10 11 12 ... 26 27

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CDA ci860 Bedienungsanleitung Seite 7