FieldServer FS-8700-82 instruction manual Appendix B. Carrier DataLink Device Error Response, Nack

FS-8700-82 Carrier DataLink

Page 26 of 31

Message

Explanation

Action

Check the spelling of the

#1 Invalid

The last command sent to the DataLink

command and verify that it

Command

device is not recognized.

contains the required

parameters.

Check the spelling of the table

#2 Invalid or Non-

The specified table does not exist in the

name(s). If using a WV or RV

command; verify that the table

Existent Table

specified element.

contains the specified

variables.

A Communication error has occurred

#3 Level II

due to other activity on the CCN

Verify the COMM2 connector

Communications

communication bus, a system element

is not disconnected and retype

Error

failure, or an incorrect address. The

the command.

command will not be executed.

Verify that the correct bus and

#6 Device Not

The specified system element’s bus and

element number have been

the element number were not found in

entered in the DTP-CONFG

Configured

the DTP-CONFG table.

table corresponding to the

device number.

Check the spelling of the

#7 Variable Does

The variable does not exist in the

variable name and verify that

Not Exist

specified table.

the CCN variable exists in the

specified system element.

#8 Invalid Data

The data was in an incorrect format.

Verify the format of the data.

#9 Access

An attempt was made to read or write to

Check variable.

a table or variable type that is not

Restricted

supported by the DataLink device.

#10 Limits

The value that was typed is outside the

Verify the limits and adjust the

Exceeded

specified variable’s upper or lower limits

force value.

#11 Alarms Not

There are no alarms currently in the

Reissue the command at later

time or adjust the alarm

Available

alarm buffer.

priority level.

#12 Cannot Force

The CCN system element does not

Choose different variable.

allow write access to the specified

Variable

variable.

The 8-character point (variable) name

Check the spelling of the point

#13 Parameter Not

(variable) name and verify that

used in the RT or WT command does

Found

the point name exists in the

not exist.

specified system element.

The command was accepted but not

Retype the command after

#14 Level II

understood by the specified system

checking the force priority and

element, an attempt was made to write

after verifying that the correct

Communications

to or read a variable with a higher force

bus and element number is

NACK

level, or an attempt was made to write or

entered in the DTP-CONFG

read from a UT203 controller.

table.