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RESI-MBUS3-MODBUS
RESI Informatik & Automation GmbH, Altenmarkt 29, A-8551 Wies, Austria, Tel: +43-316-262062-0, Fax: +43-316-262062-66, Email: help@RESI.cc URL: www.RESI.cc
IMPORTANT: Before you start with the installation of the product, read the attached IMPORTANT SECURITY NOTES very carefully and follow all the herein given information very accurate!
Description:
Consisting of a serial MeterBus Converter, connection to host via RS232 or RS485 with up to 48 meter (=unit loads) and 600 variables, MBUS communication speed from 300bps to 38400 bps, Modbus connection with
RS232 (9600 bps to 57600 bps), Mbus and Modbus are galvanically isolated, configuration via PC software, mountable on 35mm EN50022 DIN rail, weight 60g, dimensions (LxWxH) 17.5x90x58mm, power supply 24
VDC, power consumption <3.5W, Free software download from www.RESI.cc
Manual+Software:
To configure our module, you need our free software tool ModbusConfigurator. Read the actual manual for our product very carefully! You will find both things on our homepage
+24V=
GND
CLAMP/LEDS
L+
M-
A
B
RX
TX
M-
MB+
MB-
STATE
MBUS
RS232, GND
HOST
RS232, RX
RS232, TX
MBUS Meter
Max. 48 meters
Load 1,5mA
M+
M -
MBUS -
MBUS+
RESI-MBUS3-MODBUS
Power supply
L+: 24 V=
M-: Ground
RS485 Modbus/RTU slave interface
A: DATA+
B: DATA-
RS232 Modbus/RTU slave interface
RX: serial receive
TX: serial transmit
M-: Ground for RS232
Interface to MBUS devices
State-LED, flashes, when converter is ok
MBUS activity LED, flashes, when MBUS
telegrams are on the bus
HOST-LED, flashes, when host
sends/receive MODBUS/RTU telegrams
MBUS Meter
Load 1,5mA
M+
M -
www.RESI.cc
Dip Switch
Description
Baudrate
Use DIP Switch 1 and 2 to select the baud rate:
BR
OFF
OFF:
9600Bd
ON
OFF:
19200Bd
OFF
ON:
38400Bd
ON
ON:
57600Bd
HINT: The correct parity (NONE; EVEN;ODD) si selected
with the software tool, not with DIP switches.
Interface
Selects the physical type of the serial interface:
IF
OFF=RS232
ON=RS485
Function
Selects a special function:
Definition
OFF=The unit ID from the FLASH memory is used
FD
ON=The unit ID is always 255
HINT
After you change a DIP switch, the converter reboots
automatically. Therefore you don't need to switch off and on
the converter to change settings. After a reboot, all three
LEDs are on for a short period to signal the power on
procedure.
Technical Conditions
0...60°C
Operating temperature
Storage temperature
-20..+80°C
Humidity
25..90 %rH not condensing
Power supply
24Vdc +/-10%
Power consumption
<3.5W
Clamps
Tightening torque max. 0.5Nm
Clamp Wire cross section
max. 1.5mm²
Dimension (LxWxH)
17.5x90x58mm
Weight
60g
Protection class
IP20
Conformity
CE
EN
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