VEGA VEGAFLEX 81 Modbus and Levelmaster protocol - Manual (Page 91)

91
11 Supplement
VEGAFLEX 81 • Modbus and Levelmaster protocol
41828-EN-130314
11.6 Configuration of typical Modbus hosts
Fisher ROC 809
Wiring plan
+
+
power supply
MODBUS
D0
D1
IS GND
USB
B
COM
Z
Y
A
(Rx/Tx -)
(Rx/Tx +)
1
2
3
13
45
2o
ff
on
( )
( )
(-)
(-)
+8 +30 Vdc
to
GND
Fig. 46: Connection of VEGAFLEX 81 to RTU Fisher ROC 809
1 VEGAFLEX 81
2 RTU Fisher ROC 809
3 Voltage supply
Parameter
Parameter Value
Baud Rate 9600
Floating Point Format Code 0
RTU Data Type Conversion Code 66
Input Register Base Number 0
The basic number of the input registers is always added to the input register address of VEGAFLEX
81.
Address 1300 must hence be entered as register address for RTU Fisher ROC 809.