41
UMG 509-PRO
www.janitza.com
8.3
Profibus interface
This RS-485 interface, designed as a 9-pin DSub
socket, supports the Profibus DP V0 slave proto-
col.
For easy connection of incoming and outgoing
bus lines, use a Profibus connector to connect
them to the device.
For the connection, we recommend a 9-pin
Profibus connector, e.g. from Phoenix of the type
"SUBCON-Plus-ProfiB/AX/SC" with part number
2744380.
(Janitza Part. No: 13.10.539)
DSub
Socket for
Profibus
Fig. Rear view of UMG with DSub socket for Profibus
INFORMATION
When using the device in a Profibus system, set
the device address via the configuration menu
as described in „11.2.2 Fieldbus“ on page
55.
8.3.1
Connecting the bus lines
1.Connect the incoming bus line to terminals 1A
and 1B of the Profibus connector.
2.Connect the continuing bus line for the next
device in the line to terminals 2A and 2B.
3.If no device follows within the line, terminate the
bus line with resistors by setting the switch on
the Profibus connector to ON.
Fig. Profibus connector with termination resistors
Tab. Segment lengths according to the Profibus
specification.
Transmission
speeds in kBit/s
max.
Segment length
9.6, 19.2, 45.45, 93.75
1200 m
187.5
1000 m
500
400 m
1500
200 m
3000; 6000; 12000
100 m
WARNING
Risk of injury due to electrical voltage!
The Profibus, RS-485, temperature measurement
input and residual current measurement input are
not galvanically isolated from each other.
Consequently, it is essential to note that dan-
gerous voltages at these inputs can have an
effect on the other respective connections.
Содержание UMG 509-PRO
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