AUX E&H Series Provozní pokyny stáhnout pdf (Strana 76)

8.3.5 Special case: replacement of central module

Note:

• After controller replacement all the

editable data are reset to the

factory settings.

• The serial number can only be

entered – and only once – in the

case of a new module from the

factory with serial number 0000!

Make sure that your entry is

correct before confirming with

ENTER!

Entry of an incorrect code will

prevent the enhanced functions

from being enabled. An incorrect

serial number can only be

corrected at the factory.

Proceed as described below after central

module replacement:

• If possible, record the user settings of the

instrument, e.g.:

– Calibration data

– pH / mV and temperature current

assignments

– Relay function selections

– Limit / controller settings

– Cleaning settings

– Monitoring functions

– Interface parameters

• Dismantle the device as described in

Chap. 8.2.2 or 8.3.2 .

• Refer to the part no. of the central module

to determine whether the new module has

the same part no. as the old one.

• Reassemble the device with the new

module, as described in chap. 8.2.3 or

8.3.3.

• Put the device into operation again and

check the fundamental function (e.g.

measured value and temperature display,

operability via keyboard).

• Enter the instrument serial number:

– Read the serial number (“user-no.”)ofthe

device from the nameplate.

– Enter this number in the fields E115 (year,

one-digit), E116 (month, one-digit),

E117 (sequence number, four-digit).

– Field E118 displays the complete number

for verification; acknowledge with ENTER

or abort and re-enter.

• Check if the S packet has been activated

(e. g. by calling up the function group

CHECK / P code) or the Chemoclean

function.

• Restore the user settings of the instrument.

8.4 Spare parts orders

Spare parts are to be ordered from your local

E+H Sales Agency. The address is on the

back cover of these operating instructions.

Use the order numbers listed in Chapters

8.2.4 and 8.3.4

To be on the safe side, you should always

specify the following data with spare parts

orders:

– Instrument order code (order code)

– Serial number (user-no.)

– Software version where available

Refer to the nameplate for the order code and

serial number.

The software version is displayed in field

E111 when the instrument processor system

is functional.

8.5 Service equipment “Optoscope” with “Scopeware”

The Optoscope together with the

“Scopeware” software offers the following

possibilities, without having to remove or

open the Liquisys M and without galvanic

connection to the device:

• Documentation of the instrument settings in

conjunction with Commuwin II

• Software update by the service technician

• Upload/download a hex dump to duplicate

configurations.

The optoscope serves as an interface

between the Liquisys M and PC / laptop. The

information exchange takes place via the

optical interface on the Liquisys M and via an

RS 232 interface on the PC / laptop.

Handling and operation are described in the

optoscope operating instructions. The

user-friendly Windows software required for

the PC or laptop is supplied with the

optoscope.

The optoscope is supplied in a sturdy case

with all the accessories required.

Order number of optoscope: 51500650

Diagnosis and corrective maintenance Liquisys M CPM 223 / 253

74 Endress+Hauser

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