VEGA VEGAFLEX 81 Modbus and Levelmaster protocol Coax probe - Manual (Page 83)

83
11 Supplement
VEGAFLEX 81 • Modbus and Levelmaster protocol
42283-EN-130314
Response:
Parameter Length Code/Data
Report Receive to Transmit Delay 7 characters ASCII UuuRmmm
mmm = milliseconds (50 up to 250),
default = 127 ms
Error codes
Error Code Name
EE-Error Error While Storing Data in EEPROM
FR-Error Erorr in Frame (too short, too long, wrong data)
LV-Error Value out of limits
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. 38: 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