Epson EM07ZS1647F User Manual page 147

4.2.3.5 Network Configuration and Specifications
(1) Maximum Cable Length
Check that the cables used on the network meet the following specifications.
(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.
(3) Cable
The cables should meet the PROFIBUS specifications.
Impedance
Capacity
Loop resistance
Wire diameter
Core cross-section
Fieldbus I/O Rev.6
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
VP (6)
390 Ω
Data Line B
RxD/TxD-P (3)
220 Ω
Data Line A
RxD/TxD-N (8)
390 Ω
DGND (5)
Item
135 to 165 Ω
< 30 pf/m
110 Ω /km
0.64 mm
> 0.34mm
4. Troubleshooting (PROFIBUS DP)
100 m
100 m
100 m
200 m
400 m
1000 m
1200 m
1200 m
1200 m
Property
2
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