3-4 BE1-851 Modbus™ Protocol 9289900992 Rev F
Session Parameters
40001 Exit ASC(1)
Read: Always the ASCII character ‘0’ (zero).
Write: ASCII characters ‘Y’ or ‘N’ (‘Y’ to save changes, ‘N’ to ignore changes).
Note1: ERROR DETAIL block (49835-54) contains Exit status message following a write.
Note2: Writing to this register is effective only when Password Security register 40989 is
enabled.
40002-5 Access Password ASC(8)
Read: Always the ASCII string of “∗” characters.
Write: Access password in ASCII string.
Note1: If password written is less than 8 characters long, a binary zero value must be
included following the final password character.
Note2: Writing to this register is effective only when Password Security register 40989 is
enabled.
40006 Access Request BM(16)
Read: Returns the current write access available to the Modbus™ user.
Bit 3 is set for Global Access
Bit 2 is set for Setting Access
Bit 1 is set for Control Access
Bit 0 is set for Report Access
Zero value for Read Only Access
Write: To request write privileges using the password written into Access Password
registers. Value written into Access Request register is arbitrary (any value will initiate the
request).
Note1: If write access is denied, the response message will be an error response
message with Illegal Function exception code.
Step1. Write the desired password to PASSWORD registers 40002 to 40005.
Step2. Write any value to ACCESS REQUEST register 40006.
Step3. Read Access Level from ACCESS REQUEST register 40006.
Note2: Writing to this register is effective only when Password Security register 40989 is
enabled.
Template Parameters
40036 Settings Group Selection SI
Read: Returns the current value of Settings Group Selection.
Write: The desired value to assign a Settings Group to the Group (GRP) Template.
O for Settings Group 0
1 for Settings Group 1
2 for Settings Group 2
3 for Settings Group 3
40038 Fault Selection SI
Read: Returns the current value of Fault Selection.
Write: The desired value to assign a Fault Record to the Fault (FLT) Template.
Allowed values are 0 - 255. 0 for most recent fault.
Note: Refer to Fault Indicator (47512) and Fault Template Status (47513) Registers.
40039 Report Selection SI
Read: Returns the current value of Report Selection.
Writing to Report Selection terminates previous report and initializes new report. See
table for values.
40040 Report Focus INT
Read: Returns the current value of Report Focus.
Write: See table for values.
Note: If an illegal Report Focus value is written, the user is not notified until a read of the
Report Text is attempted.
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