Jetter JM-204-480, User Manual, Page: 73 / 126

JetMove 204-480 7.9 Jetter System Bus
Jetter AG 73
7.9 Jetter System Bus
The Jetter system bus is used for connecting the JetMove 204-480 to the PLC and
to other JetMoves or Jetter PLC modules. The system bus input BUS-IN is a 9-pin
SUB-D male connector, while the output BUS-OUT is a 9-pin SUB-D female
connector.
7.9.1 Specifications of the Jetter system bus
cable
Specification of Connectors
BUS-OUT side (X19)
• 9-pin male SUB-D connector
• Metallized housing
BUS-IN side (X18)
• 9-pin female SUB-D connector
• Metallized housing
System bus cable specification
For manufacturing a system bus cable, the following minimum requirements have to
be considered:
System Bus Cable - Technical Data
Function Description
Core cross-sectional area 1 MBaud: 0.25 to 0.34 mm
2
(AWG 24 to 22)
500 kBaud: 0.34 to 0.50 mm
2
(AWG 22 to 20)
250 kBaud: 0.34 to 0.60 mm
2
(AWG 22 to 19)
125 kBaud: 0.50 to 0.60 mm
2
(AWG 20 to 19)
Cable capacitance Maximum 60 pF / m
Resistivity 1 MBaud: Maximum 70 /km
500 kBaud: Maximum 60 /km
250 kBaud: Maximum 60 /km
125 kBaud: Maximum 60 /km
Number of cores 5
Shielding Complete shielding, no paired shielding
Twisting Core pairs CL and CH must be twisted.
Material Copper
Temperature class 60 °C
Ω
Ω
Ω
Ω