Jetter JM-208-480-OEM, Руководство пользователя, Страница: 73 / 128

JetMove 208-480 7.9 Jetter System Bus
Jetter AG 73
7.9 Jetter System Bus
The Jetter system bus is used to connect the JetMove 208-480 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 socket.
7.9.1 Specification of the Jetter System Bus
Cable
Specification of Connectors
On side of BUS-OUT (X19)
• 9-pin male SUB-D connector (male)
• Metallised enclosure
On side of BUS-IN (X18)
• 9-pin SUB-D socket (female)
• Metallised enclosure
System Bus Cable Specification
For manufacturing a system bus cable, the following minimum requirements are
important:
System Bus Cable - Technical Data
Description 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 60 pF/m max.
Resistivity 1 MBaud: 70 max. /km
500 kBaud: 60 max. /km
250 kBaud: 60 max. /km
125 kBaud: 60 max. /km
Number of cores 5
Shielding Complete shielding, no paired shielding
Twisting Core pair CL and CH twisted
Material Copper
Temperature class 60 °C
Ω
Ω
Ω
Ω