Vega VEGAPULS C 21 - Configuration Of Typical Modbus Hosts

58
14 Supplement
VEGAPULS C 21 • Modbus and Levelmaster protocol
58343-EN-200806
Report Receive to Transmit Delay
Parameter Length Code/Data
Request: Report Receive to Transmit
Delay
4 characters ASCII UuuR
Response: 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
14.10CongurationoftypicalModbushosts
Fisher ROC 809
B
COM
Z
Y
A
(Rx/Tx -)
(Rx/Tx +)
3
2
1
+8 +30
Vdc
to
GND
Fig. 28: Connection of VEGAPULS C 21 to RTU Fisher ROC 809
1 VEGAPULS C 21
2 RTU Fisher ROC 809
3 Voltage supply
Parameters for Modbus Hosts
Parameter Value Fisher
ROC 809
Value ABB Total
Flow
Value Fisher
Thermo Elec-
tron Autopilot
Value Fisher
Bristol Control-
Wave Micro
Value Scada-
Pack
Baud Rate 9600 9600 9600 9600 9600
Floating Point
Format Code
0 0 0 2 (FC4) 0
RTU Data Type Conversion Code
66
16 Bit Modicon IEE Fit 2R 32-bit registers
as 2 16-bit reg-
isters
Floating Point
Input Register
Base Number
0 1 0 1 30001