Siemens CM300/3 User Manual download pdf (Page 34)

English 7. Supplementary Information

05.02.01

7. SUPPLEMENTARY INFORMATION

7.1 Application Example

Setup procedure for a simple application

Application requirements: Normal operating frequency set within range 15 - 50 Hz via potentiometer.

Counter-clockwise rotation required.

CombiDrive

used: Any model.

Procedure: (1) Remove the link (if fitted) between control terminals 5 and 8.

(2) Connect a simple on/off switch to control terminals 6 and 8 for reverse

rotation.

(3) Connect a 4.7 kΩ potentiometer to the control terminals (see Figure 4).

(4) Set jumper JP301 (‘V’ - voltage) - see Figure 3.

(5) Set the internal and external potentiometers fully counter-clockwise and

then apply mains power and switch on.

(6) Turn the internal potentiometer clockwise until the motor rotates at a

speed that approximates to 15 Hz.

(7) The external potentiometer now has a range of between 15 Hz at its

lowest setting and 50 Hz at its highest setting.

7.2 USS Status Codes

The following list gives the meaning of status codes displayed on the OPm2 when the serial link is in use and

parameter P001 is set to 006:

001 Message OK

002 Slave address received

100 Invalid start character

101 Timeout

102 Checksum error

103 Incorrect message length

104 Parity fail

Notes

(1) The display flashes whenever a byte is received, thus giving a basic indication that a serial link

connection is established.

(2) If ‘100’ flashes on the display continuously, this usually indicates a bus termination fault.

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Siemens CM300/3 User Manual Page 34