
81
10 Supplement
VEGABAR 83 • Modbus and Levelmaster protocol
46295-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 83 to RTU Bristol ControlWave Micro
1 VEGABAR 83
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
83.
Address 1303 must hence be entered as register address for 1302 for RTU Bristol ControlWave
Micro.