Bristol controlwave micro – VEGA VEGABAR 81 Modbus and Levelmaster protocol - Operating Instructions User Manual
Page 78
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78
10 Supplement
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-131107
Bristol ControlWave Micro
Wiring plan
+
+
power supply
MODBU
S
D0
D1
IS GND
US
B
1
2
3
13
45
2o
ff
on
(
)
(
)
(-)
(-)
+8
+30 Vdc
to
GND
1 +SV
RS
485 on COM1
2 RX-
5 RXT
6 TXT
3 TX-
4 GND
7 not used
8 not used
Fig. 37: Connection of VEGABAR 81 to RTU Bristol ControlWave Micro
1 VEGABAR 81
2 RTU Bristol ControlWave Micro
3 Voltage supply
Parameter
Parameter
Value
Baud Rate
9600
Floating Point Format Code
2 (FC4)
RTU Data Type
32-bit registers as 2 16-bit registers
Input Register Base Number
1
The basic number of the input registers is always added to the input register address of VEGABAR
81.
Address 1303 must hence be entered as register address for 1302 for RTU Bristol ControlWave
Micro.
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