Festo Кабели и принадлежности - Manual (Page 41)

3. Installation
3−5
Festo P.BE−SPC200−COM−PDP−E N en 0901c
Specifications of the field bus cable
Recommendation: Use a cable which complies with the cable
specification as per EN 50170 part 2 (cable A).
ć Surge impedance: 135...165 Ohm (3...20 MHz)
ć Capacity: < 30 nF/km
ć Loop resistance: < 110 Ohm/km
ć Core cross−sectional area: > 0.34 mm 2
Maximum permitted segment length of the field bus:
Baud rate
(in kBaud) Max. permitted segment length
(in m) as per PNO
1)
9.6
19.2
93.75
187.5
500
1500
3000 ... 12000 1200
1200
1200
1000
400
200
100
1) PNO = PROFIBUS user organisation