FR-A5ND
DeviceNet
Communications Option Unit
19
Some VFD parameters require configuration to be viewed via the PU. All
supported parameters are fully accessibles regardless of VFD configuration
in such cases.
4.6
Operation on Alarm Occurrence
The following table shows the behavior of VFD and network communication
operation on alarm occurrence.
*1: VFD operation stops if A5ND signals option error to drive on expiration of
Inactivity/Watchdog timer of Connection Object.
*2: Depends on the type of communication fault.
*3: Examples, E.OP3, E.OC1.
*4: Examples, Blinking Red LED, Red LED.
Please refer to Section 8. Troubleshooting in this manual and Ch.5 Protec-
tive Functions in FR-A500(L) Instruction Manual for more details.
4.7
VFD Reset
VFD reset behavior is as noted in Section 4.4.3.
4.8
Setting Frequency (f) Value
To change frequency setting value in RAM, access it by Attr.# 112 & #113 of
Class 0x2A AC Drive Object. Please refer to Section 6.7.3.
4.9
Parameter Clear (Pr Clr) Commands
To access various Pr Clr Commands, use Attr.#s 102 ~ 107 Of Class 0x2A
ACDrive Object.
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