AH500 Module Manual The specification of the electric cable: The cross section figure of the cable: 12.4.1.3 Communication Rate and Distance The communication rate range of the PROFIBUS DP is between 9.6K bps and 12M bps. The transmission distance depends on the transmission rate and ranges from 100m to 1,200m. The communication rate that Delta PROFIBUS product supports and the corresponding distance are listed below. 12.4.1.4 PROFIBUS Connector The PROFIBUS connector used for connecting the PROFIBUS cable and stations is usually classified into two types as below. No Delta PROFIBUS connector is available for user to purchase currently.
Users themselves need to choose the D-sub 9-pin PROFIBUS connector conforming to the specification. The internal structure of the PROFIBUS connector is shown as below. It contains one In hole for input, one Out hole for output, one terminal resistor switch and 3 resistors. The In hole and Out hole are connected to the previous station and next station respectively.
12-8 Cable parameter Value Conductor dimension* number of pairs 22AWG(0.65mm)* one pair Outer diameter of cable About 8mm Shielded layer material* color Oil and heat resistant PVC* purple characteristic impedances 150Ω±10%(3~20MHZ) Resistance of conductor Cable capacitance (between conductors) Decrement (reference value) 22db/km(4MHZ)，42db/km(4MHZ)， Estimated quality 70kg/km Baud rate 9.6K 19.2K 93.75K 1 87.5K 500K 1.5M 3M 6M 12M (bps) Distance(m) 1200 1000 400 200 100