5 pr 1721/42 interbus-s interface, Pr 1721/42 interbus-s interface – Rice Lake PR5230 Fieldbus Transmitter User Manual
Page 77
PR 5230 Instrument Manual
Installing the Instrument and Plug-in Cards
Sartorius
EN-77
4.4.5
PR 1721/42 InterBus-S Interface
The InterBus-S interface PR 1721/42 is a plug-in card for mounting in slot 2, see Chapter 4.4.1.
The interface is based on the InterBus chip technology and enables transfer rates of 500 kbit/s and 2 Mbit/s.
Internal connection 34- pin connector on flat cable for
slot 2
External connection 6-pin (IN) and 7-pin (OUT) plug-in
terminal block.
D01 D01 DI1 DI1 GND S D02 D02 DI2 DI2 GND C S
C = Con_Test
S = Screen
Transfer rate
500 kbit/s
Topology
Bus as a closed ring
Protocol
InterBus-S master-slave
fixed telegram length, deterministic
cyclical process data transmission with
max. 10 words I/O.
Cable
InterBus, color: green
3x 2 twisted pairs,
common shield
Lead termination
Not required, due to active ring topology
Cable impedance 150 ¥
Certificates
From INTERBUS Club e. V.: Compatibility
with InterBus standard.
IEC 61158 (Parts 3 to 6)
EN 50254 (DIN 19258)
Suitable for industrial applications
CE, UL & cUL
Dimensions
(LxWxH)
87 x 55 x 15 mm
Potential isolation Yes, optocoupler and DC/DC converter
Weight
35 g
Cable length
400 m
(between two remote bus sharing units).
Overall length: 13 km