Hager SM211 Bruksanvisning

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Sida 1/9
§
User instructions
SM211
RS485 - JBUS/MODBUS
®
for SM103E
Contents
Preliminary operations ................................................... 1
General informations...................................................... 1
Programmation............................................................... 3
Communication address............................................... 4
Communication speed ................................................. 4
Communication parity.................................................. 5
Communication stop bit ............................................... 5
Communication .............................................................. 6
The standard communications frame............................... 6
Communication table................................................... 6
Technical characteristics ............................................... 6
Glossary of abbreviations.............................................. 6
§
Preliminary operations
1
For personnel and product safety please read the
contents of these operating instructions carefully before
connecting.
Check the following points as soon as you receive the
package:
the packing is in good condition
the product has not been damaged during transit
the product reference number conforms to your order
the package contains the product and the operating
instructions.
Functions
The optional IP Communication module must be connected
to the SM103E. It provides an RS485 serial link (2 or 3 wires)
with JBUS/MODBUS
®
protocol for the use of SM103E from
a PC or PLC.
General points
For a standard configuration, an RS485 link is used to
connect up to 31 SM102E or SM103E with a PC or a PLC
over a distance of 1200 metres, using JBUS/MODBUS
®
protocol.
Recommendations
You should use a shielded twisted pair (LIYCY type). In a
disturbed environment or large network (in terms of
length) we recommend the use of a shielded twisted pair
(type LIYCY-CY).
A repeater (1 channel) or an arrestor (4 channels) should
be used if you intend to exceed the distance (1200 m.)
and/or maximum number (31) of SM103E.
Please contact us for more information.
N.B.
A 120 ohm resistance (found on the additional module)
must be fixed at both ends of the link.
N 1
R = 12 0
RS48 5
0+- -+0
N n
R = 120
1200 M 1200 M
N 1 N 2 N n
R = 120
1200 M
R = 120
General informations
Programmable controllers
Other systems
Programmable controllers
Other systems
repeater

Produktspecifikationer

Varumärke: Hager
Kategori: Multimeter
Modell: SM211

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