UMG 96-PA
/ UMG 96-PA
MID
www.janitza.com
24
8.2 RS485 interface
The RS485 interface for this device is designed
as a 3-pole plug contact and communicates via
the Modbus RTU protocol.
Recommended cable type:
·
Unitronic Li2YCY(TP) 2x2x0.22 (Lapp cable).
Connection capacity of the terminal:
·0.2 - 1.5 mm
2
(see chapter “
TechnFcal Data
”)
e.g.:
connection
to the UMG
604 as a
gateway
(master)
e.g.
connection of
additional
slave devices
RS485 bus
A
B
A
B
Data GND
Fig.
Fig. RS485 Fnterface, 3-pole plui contact
RS485 bus
A
B
Data GND
120 Ω
Fig.
RS485 Fnterface, 3-pole plui contact wFth
termFnatFon resFstor (Ftem nog. 52g.00g.008)
NOTE
CAT cables are not suitable for the bus wiring!
Use the cable types recommended for this (see
above).
A segment of an RS485 bus structure can
contain up to 32 participants/devices. Use
repeaters to connect segments with more than
32 participants/devices.
The device does not contain an integrated
termination resistor (see chap. „8.4 Termination
resistors“ on page 25).
8.1 Port versions
There are various options available to connect
the device to a PC:
1. Connection via an interface converter:
8. Port and PC Connections
2. Use of the UMG 96-PA (slave) via an UMG
(master) using a Gateway function (such as
UMG 512):
PC with GridVis®
UMG 96-PA
RS232
RS485
RS232
RS485
PC with GridVis®
UMG 512-PRO
as gateway
UMG 96-PA
Slave 1
UMG 96-PA
Slave 2
UMG 103
Slave 3
Ethernet
Modbus
Modbus
Modbus
Ethernet
PC with GridVis®
UMG 96-PA
USB
RS485
USB
RS485
CAUTION
Property damage due to incorrect network
settings.
Incorrect network settings can cause faults in
the IT network!
Consult your network administrator for the
correct network settings for your device.
