User Manual

Communication via RS485
5.4 Communication using Modbus RTU
Fieldbuses
Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
135
Table 5- 15 Assigning the Modbus register to the parameters - technology controller
Register
Description
Ac-
cess
Unit
Scaling
ON-/OFF
text/value range
Data / parameter
40500
Technology controller enable
R/W
--
1
0 … 1
p2200, r2349.0
40501 Technology controller MOP R/W % 100 -200.0 … 200.0 p2240
Technology controller adjustment
40510 Time constant for actual-value filters of
the technology controller
R/W -- 100 0.00 … 60.0 p2265
40511 Scaling factor for actual value of the
technology controller
R/W % 100 0.00 … 500.00 p2269
40512 Proportional amplification of the tech-
nology controller
R/W -- 1000 0.000 … 65.000 p2280
40513 Integral time of the technology control-
ler
R/W s 1 0 … 60 p2285
40514 Time constant D-component of the
technology controller
R/W -- 1 0 … 60 p2274
40515
Max. limit of technology controller
R/W
%
100
-200.0 … 200.0
p2291
40516
Min. limit technology controller
R/W
%
100
-200.0 … 200.0
p2292
Table 5- 16 Assigning the Modbus register to the parameters - PID diagnostics
Register
Description
Ac-
cess
Unit
Scaling
ON-/OFF
text/value range
Data / parameter
40520 Effective setpoint acc. to internal tech-
nology controller MOP ramp-function
generator
R % 100 -100.0 … 100.0 r2250
40521 Actual value of technology controller
after filter
R % 100 -100.0 … 100.0 r2266
40522 Output signal technology controller R % 100 -100.0 … 100.0 r2294
Table 5- 17 Modbus register for communication via DS47
Register
Description
Ac-
cess
Unit
Scaling
Data / parameter
40601
DS47 Control
R/W
--
--
--
40602 DS47 header R/W -- -- --
40603
DS47 data 1
R/W
--
--
--
… … …
40722
DS47 data 120
R/W
--
--
--