ABB AC500 PLC - Technical Data Bus Cable; Cable Length

Technical Data Bus Cable
Parameter Value
Type Twisted pair (shielded)
Characteristic impedance 135 W...165 W
Cable capacity < 30 pF/m
Conductor diameter of the cores ³ 0.64 mm
Conductor cross section of the cores ³ 0.34 mm²
Cable resistance per core £ 55 W/km
Loop resistance (resistance of two cores) £ 110 W/km
Cable Length
The maximum possible cable length of a PROFIBUS subnet within a segment depends on the
baud rate (transmission rate).
Baud rate Maximum cable length
9.6 kBaud to 93.75 kBaud 1200 m
187.5 kBaud 1000 m
500 kBaud 400 m
1.5 MBaud 200 m
3 MBaud to 12 MBaud 100 m
The assignment of the other terminals:
Terminal Signal Description
2.0 DC0 Signal of the configurable digital input/output DC0
2.1 DC1 Signal of the configurable digital input/output DC1
2.2 DC2 Signal of the configurable digital input/output DC2
2.3 DC3 Signal of the configurable digital input/output DC3
2.4 DC4 Signal of the configurable digital input/output DC4
2.5 DC5 Signal of the configurable digital input/output DC5
2.6 DC6 Signal of the configurable digital input/output DC6
2.7 DC7 Signal of the configurable digital input/output DC7
2.8 UP Process voltage UP (24 VDC)
2.9 ZP Process voltage ZP (0 VDC)
3.0 DI8 Signal of the digital input DI8
3.1 DI9 Signal of the digital input DI9
3.2 DI10 Signal of the digital input DI10
3.3 DI11 Signal of the digital input DI11
3.4 DI12 Signal of the digital input DI12
3.5 DI13 Signal of the digital input DI13
3.6 DI14 Signal of the digital input DI14
Device Specifications
Communication Interface Modules (S500) > PROFIBUS
2019/04/173ADR010121, 13, en_US986