VEGA VEGAPULS SR 68 Modbus and Levelmaster protocol - Manual (Page 84)

84
10 Supplement
VEGAPULS SR 68 • Modbus and Levelmaster protocol
41371-EN-130624
Bristol ControlWave Micro
Wiring plan
+
+
power supply
MODBUS
D0
D1
IS GND
USB
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. 56: Connection of VEGAPULS SR 68 to RTU Bristol ControlWave Micro
1 VEGAPULS SR 68
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 VEGAPULS
SR 68.
Address 1303 must hence be entered as register address for 1302 for RTU Bristol ControlWave
Micro.