Smc-networks EX120-SDN1 Bedienungsanleitung PDF herunterladen (Seite 6)

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Cable specification

CAUTION

For Multi drop connection, prepare plug connector for T branch separately.

(Example, TMSTBP 2.5...- STF -5.08 made by Phoenix Contact Corp.)

Use DeviceNet special cable for communication cable.

Be sure to connect DeviceNet special terminal resistor with both ends of trunk.

SMC CORPORATION

Doc.No.EX

##-OME0015

Thick cable Thin cable

Item

Communication

Signal

Power upply

Communication

Signal

Power supply

Conductor

cross section

0.82 mm

1.65 mm

0.20 mm

0.33 mm

Colors Blue, White Red, Black Blue, White Red, Black

Impedance

120

Ω±

10%(1MHz)

――

120

Ω±

10%(1MHz)

――

Propagation

delay

1.36ns / ft(max) ―― 1.36ns / ft(max)

――

Attenuation

rate

500k：0.25dB / ft

125k：0.13dB / ft

1.00M：0.40dB / ft

――

500k：0.50dB / ft

125k：0.29dB / ft

1.00M：0.70dB / ft

――

Conductor

resistance

6.9Ω /

1000ft(max)

3.6

1000ft

(max)

28Ω /

1000ft(max)

17.5Ω /

1000ft(max)

1 2 3 4 5 6 7 8 9 10 11 12 13

SMC Corporation 1
Contents 2
1.Safety instructions 3
2. Specifications 4
3. Wiring and Setting 5
Cable specification 6
CAUTION 7
SMC CORPORATION 8
Doc.No.EX 8
-OME0015 8
SI unit (EX122-SDN1) 10
SI unit (EX121-SDN1) 10
4-G(PF)1/2 11
operation 12
6. Trouble Shooting 13

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