342 Fieldbus control through the embedded fieldbus interface (EFB)
Connecting EIA-485 Modbus RTU terminal to the drive
Connect the fieldbus to the EIA-485 Modbus RTU terminal on the RIIO-01
module which is attached on the control unit of the drive. The connection
diagram is shown below.
...
Process I/O (cyclic)
Service messages
(acyclic)
Data flow
Control Word (CW)
References
Status Word (SW)
Actual values
Parameter R/W
requests/responses
Fieldbus controller
Fieldbus
Driv
Termination OFF
Termination ON
1)
1)
The device at both ends on the fieldbus must have termination set to ON.
ON
1
ON
1
ON
1
B +
A -
DGND
Driv
Termination OFF
ON
1
ON
1
ON
1
B +
A -
DGND
Driv
Termination ON
ON
1
ON
1
ON
1
B +
A -
DGND
Summary of Contents for ACQ80
Page 1: ... ABB DRIVES FOR WATER ACQ80 standard program control Firmware manual ...
Page 2: ... Related documents are listed on page 13 ...
Page 4: ......
Page 10: ...10 Table of contents ...
Page 32: ...32 Startup control with I O and ID run ...
Page 34: ...34 Using the control panel ...
Page 74: ...74 Program features ...
Page 78: ...78 Control macros ...
Page 380: ...380 Fieldbus control through a fieldbus adapter ...
Page 384: ...384 Parameterization with Drive Composer ...
Page 388: ...388 Parameterization with Automation builder drive manager ...