Honeywell HercuLine 10260S, Инструкция по установке, эксплуатации и обслуживанию

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5. Start-Up/Operation - Non-Contact Sensor Operation
76 10260S HercuLine® Actuator Installation, Operation and Maintenance Manual Revision 5
7/07
Non-Contact Sensor Operation
The non-contact sensor (NCS) is magnetically coupled to the output shaft of the actuator so that the sensor
detects shaft position. The sensor is adjusted at the factory and under normal conditions, the NCS requires
no adjustment. A simple check can verify that the sensor working properly and that it is in adjustment.
Verification of the NCS output is performed by setting the drive motor to its zero, midpoint and 100%
positions and observing the output voltage of the non-contact sensor PWA. The actuator has a feature that
allows the NCS output voltage to be read from the local display.
Step Action
1
Drive the motor to 50% position.
2 Press SET UP key on the keyboard until the display reads CAL POSOUT.
Press FUNCTION key until the display reads DIS CALPOS.
Press the or keys until the display reads BEGN CALPOS.
Press the FUNCTION key.
Upper Display = n.nnn (Output voltage of the non-contact sensor)
Lower Display = POSOUT
3
The display should read 2.500 + or – 0.012 Volts.
4 Press DISPLAY key and then drive the motor to zero position. Repeat Step 2.
The display should read 1.600 + or – 0.060 Volts.
5
Press DISPLAY key and then drive the motor to 100% position. Repeat Step 2.
The display should read 3.400 + or – 0.060 Volts
6 If the NCS needs adjustment, refer to the “Calibrate Non-Contact Sensor” procedure in Table
27 in Section 4.
Remote Setpoint Operation
The 10260S actuator can be set up to receive a digital input from a remote source. The actuator uses
RS485 communications that supports digital Modbus RTU protocol. Press the SET UP key to select the
Input set up group. Change the Input Type to Remote Setpoint (R_SP). Make the necessary connections to
terminals 33, 34 and 35 on the actuator terminal block. See Figure 23. Communicaton parameters should
be set to the same values as the host device. The actuator communication parameters are accessed in the
Communications Set Up group.
There are some restrictions to actuator operation when remote setpoint input is active. In order to provide a
bumpless transfer when switching from one input signal type to remote setpoint, the actuator will use the
last known analog input value as its setpoint when swtiching to remote setpoint input operation. The
actuator motor can only be set to full span (90 degrees of rotation). It cannot be set to a reduced range of
rotation. No input filtering is active on the input signal to the actuator.