4. Troubleshooting (PROFIBUS DP)
4.2.3.5 Network Configuration and Specifications
(1) Maximum Cable Length
Check that the cables used on the network meet the following specifications.
Baud Rates
Max. Cable Length
12 Mbps
6 Mbps
3 Mbps
1500 kbps
500 kbps
187.5 kbps
93.75 kbps
19.2 kbps
9.6 kbps
100 m
100 m
100 m
200 m
400 m
1000 m
1200 m
1200 m
1200 m
(2) Terminating Resistor
Ensure that two terminating resistors are connected to both ends of the network.
The terminating resistor should be connected as shown below.
VP (6)
390
Ω
RxD/TxD-P (3)
220
Ω
RxD/TxD-N (8)
390
Ω
DGND (5)
Data Line B
Data Line A
(3) Cable
The cables should meet the PROFIBUS specifications.
Item Property
Impedance
135 to 165
Ω
Capacity
< 30 pf/m
Loop resistance
110
Ω
/km
Wire diameter
0.64 mm
Core cross-section
> 0.34mm
2
Fieldbus I/O Rev.6
135
Summary of Contents for EM07ZS1647F
Page 1: ...Rev 6 EM07ZS1647F EPSON RC Option Fieldbus I O ...
Page 2: ...E PSON RC Option Fieldbus I O Rev 6 ...
Page 8: ...vi Fieldbus I O Rev 6 ...
Page 12: ...Table of Contents x Fieldbus I O Rev 6 ...
Page 80: ...2 Installation 68 Fieldbus I O Rev 6 ...
Page 88: ...3 Operation 76 Fieldbus I O Rev 6 ...
Page 164: ...5 Maintenance Parts List 152 Fieldbus I O Rev 6 ...
Page 168: ...Appendix A applicomIO Upgrade 156 Fieldbus I O Rev 6 ...