Delta DCS

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6. DESCRIPTIONS FOR TROUBLESHOOTING
6.3 Troubleshooting of abnormal alarms
There are 4 major categories of abnormal alarms, namely the control type, customized type, group
type, and axis type, the meanings of which are described as follows:
■ Control type: alarms sent out by the controller.
■ Customized type: alarms customized by the users through the PLC program written.
■ Group type: alarms sent out by a group which is combined randomly from an axis group.
■ Axis type: alar ms sent out by individual axis.
The 7-segment display shows the abnormal alarm code in the following way.
Figure 6-3 Seven-segment display of MS error code
1. Fixed display for abnormal alarm E
2.
Control type (Controller):
C This type of abnormal alarm is currently reserved.
Customized type (User):
U
Group type (Group):
1-2
*
“?” is used to represent numbers in the List of Abnormal Alarms.
Axial type (Axis):
1-6 axis: number 1-6.
7-12 axis: reserved.
13-18 axis: English letter D-I
*
“?” is used to represent numbers and English letters in the List of
Abnormal Alarms.
For example:
Abnormal alarm code E1.803 is the alarm of Group 1 in the group type.
Abnormal alarm code E1803 is the alarm of Axis 1 in the axial type.
Abnormal alarm code ED803 is the alarm of Axis 13 in the axial type.
Abnormal alarm code EI803 is the alarm of Axis 18 in the axial type.
3. Codes for Abnormal Alarms