Alarms And Troubleshooting - Eliwell Coldface EWRC300LX Bedienungsanleitung

ALARM RELAY - EWRC500LX only
Relay OUT4 is configured as alarm relay and is activated in the case of alarms, according to delays
and parameter settings*
LIGHT - EWRC500LX only
The light is activated by pressing and holding the LIGHT key (G)
Since digital input D.I. 1 is configured as door switch, relay OUT5 (light) is activated when the door is
opened. The light also switches on with the instrument in standby*.
*FOR MORE INFORMATION READ the manual, p/n 9MA10023
SUPERVISION
EWRC300/500LX can be connected to:
• telecontrol system TelevisSystem (°)
• third-party systems via Modbus protocol (°°)
• ParamManager fast parameter setting software
The connection can be made in 2 ways:
1) via TTL serial port. See Electrical Connections.
Use the BusAdapter150 TTL- RS 485 interface module
2) by direct RS-485 connection using the optional RS485/TTL plug-
in module (not included).
See figure opposite.
In both cases, use a RS485/RS232-USB PC interface converter and
the required software licence.
(°) To configure the instrument for this purpose, open the file identified by the label "Add" and use
parameters "dEA" and "FAA*
(°°) To configure the instrument for this purpose, open the file identified by the label "Add" and use
parameters "dEA", "FAA", "PtY" and "StP"*
*FOR MORE INFORMATION READ the manual, p/n 9MA10023

ALARMS AND TROUBLESHOOTING

How to display the alarms
1) Press and release the UP key. The upper display will always show the label ALr. The lower display
will show:
• nOnE if no alarms active
• SYS to indicate system alarms - see Alarms Table
• HACP to indicate HACCP alarms - see HACCP alarms
2) Using the UP & DOWN keys, find the type of alarm that you want to check
System alarms
The upper display will show the label ALr, the lower display will indicate the alarm code
- see Alarms Table
• Using the UP & DOWN key, scroll the other alarms
• Press the ESC key to return to the previous alarm code, press the ESC key several times (or keep it
pressed) to return to the normal display
HACCP ALARMS • HACCP MODELS ONLY
The instrument logs high and low temperature alarms for the cold room probe, as well as any power
failures. The alarm types and the duration and start time of the alarm itself will be displayed in the
alarms folder ALr. It is possible to disable the recording of alarms and/or resetting of HACCP alarms.
See Functions Menu.
FOR MORE INFORMATION READ the manual, p/n 9MA10023
EWRC300/500LX
RS 485
RS-485
1 2 3
EWRC 300-500 LX
RS-485/TTL
8 - EN