Datasheet

Dz260_04e_oi_e.doc / Nov-15 Page 35 / 39

9.2. Data Readout via Serial Interface

All register codes shown in the "Serial Menu" are available for serial readout by PC or PLC. For

communication the monitors use the Drivecom Protocol according to ISO 1745. All protocol details

can be found in our manual SERPRO_2a.doc which is available for download from our homepage

www.motrona.com.

To request for a data transmission you must send the following request string to the converter:

EOT

AD1

AD2

ENQ

EOT = control character (Hex 04)

AD1 = unit address, High Byte

AD2 = unit address, Low Byte

C1 = register code, High Byte

C2 = register code, Low Byte

ENQ = control character (Hex 05)

The following example shows the request string for readout of the actual input frequency of a

monitor (code :9) from a unit with unit address 11:

ASCII Code:

EOT

ENQ

Hex Code:

Binary Code:

0000 0100

0011 0001

0011 1010

0011 1001

0000 0101

After a correct request, the unit will respond:

STX

x x x x x x x

ETX

BCC

STX = control character (Hex 02)

C1 = register code, High Byte

C2 = register code, Low Byte

xxxxx = readout data

ETX = control character (Hex 03)

BCC = block check character

For all further details see SERPRO_2a.doc.