Calculation of Maximum Distance of an Optical ModuleBus Configuration Section 3 Technical Data
146 3BSE015969-600 A
For the configuration in Figure 61 the Communication link delay is calculated as:
(Total delay in FF) + (Total delay in LF) + 6*(Opto-to-opto delay in
TB820/TB820V2) + 2*(Delay in TB826) + (Opto-to-electrical delay in TB820)
= 5000*0.01 + ((7 * 200)+100)*0.01 + 6*4 + 2*2.0 + 6.5
= 50 + 1500*0.01 + 24 + 4 + 6.5
= 99.5 µs
Figure 61. Example of worst case delay configuration TB826
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