Yokogawa DR240 - Manual (Page 140)

9-17 IM DR231-01E
Event/Action Function and Other Functions
9
Any of the following functions are executed and displayed by pressing the ENTER key, the last
key of the lower menu. After that, the recorder returns to the operation mode.
Clearing the alarm buffer (ALM BUF CLEAR)
Cancels all information in the alarm buffer; see page 6-11.
Clearing the message buffer (MSG BUF CLEAR)
Cancels all information in the message buffer; see page 7-3.
Displaying information set in the modules (MODULE INF)
Displays the information in the module installed in the slot.
• SYSTEM: Displays the information recognized as the system module.
• REAL: Displays the real module information when the recognized system module is replaced
by another one or removed.
• If the SYSTEM or REAL module has displayed different information and if the recorder is still
used, an operation error may occur or the recorder may display measured values incorrectly. If
such problems develop, contact your rearest sales representative. Addresses may be found on
the back cover of this manual.
• The information on individual modules is displayed as follows:
Module Display ID inside the display ( ) Description
Input module INPUT 00 to 3F
DI/DO module REMOTE 57 With /R1 option
Alarm module RELAY 5C to 5F With /A4 option
Communication module COMM 48 to 4F With/communication option
Module not installed - - - - - - FF
Invalid module
installed = = = = = = FE
Module error XXXXXX Displays error code (80 to FF).
Displaying communications information (COMM INF)
When the communication module is recognized as a system module, communications information
is displayed. For details on the communication information, see Section 3-4, “Connecting the
Interface Cables,” on page 3-11 or the separate DR130/DR231/DR232/DR241/DR242
Communication Interface User’s Manual (IM DR231-11E).
Initialization (RAM INIT)
This initializes information other than the basic information set in Chapter 10 or calibration set in
Chapter 11. For details on initial setting, see the appropriate sections and explanations. All the
files in the internal RAM disk will be lost when the RAM is initialized.
• NO: Initialization not executed
• YES: Initializes the information. It takes about ten seconds to initialize the information.
9.4 Clearing Alarm/Message Buffers, and Displaying and Initializing Module/Communications Information