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CMC electronic MAI085MB User Manual

Page 25

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mAI085-MB Actuator Interface Technical Manual /21

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CMC INDUSTRIAL ELECTRONICS LTD

Display Function

Response

This function will modify the actuator controllers saved
parameters. Verify that the calibration sequence completed
successfully and that the actuator is operating properly before
placing the field device into service. Actuator controllers that do
not complete the calibration sequence revert automatically to
the pre-calibration parameter table saved in the actuator
controller.

***************************************************************************

OFt -

CSP

Allows the adjustment of the field parameters of the actuator
controllers. The descriptions of these parameters are listing in the
Technical Manual for the mAC/GP1X5-MB actuator controllers and
gate positioners. Refer to the mAC/GP1X5-MB Technical Manual for
further information.

See

mAC/GP1X5

-MB

Technical

Manual

5.3.4 Modbus Interface Menu

The Actuator Interface allow remote operation and monitoring over a Modbus network.
Modbus is an industry standard network protocol for connecting PLC and field devices. The
Actuator Controller is a Modbus Slave device and only utilizes the RTU protocol. See “Using
the Modbus Network Interface” for further information.

Display Function

Response

Adr

Selects the Modbus slave address. The default address is 1.

1-125

SPd

Sets the baud rate of the Modbus serial port. The default baud rate
is 9600 baud.

300,600,

1200,2400,
4800,9600,

1920

Par

Selects whether parity is active on the serial port. The default is no
parity.

YES/no

Odd

Select the type of parity, even or odd. A YES response selects odd
parity, a no response selects even parity. The default is even parity if
parity has been enabled.

YES/no

Prt

Port Reset Timer; should the Modbus port become disabled due to
electrical disturbance. This timer will automatically restart the
Modbus Slave port; the timer will reset the port at the entered interval
(in seconds) if no valid Modbus messages are received. A setting of
0 disables this function.

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