Azbil AUR355, Руководство пользователя

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18
Chapter 3. Operating This Device
Event name Event No. Operation
UV flame detector check
(combustion time) A1*
1
*
2
Turns ON if the combustion time exceeds the value set for the UV flame detector
(combustion time) checking time. Utilize this event for maintenance of the
equipment, in order to know when to replace the flame detector, etc.
Product service life check
(total operating time) A2*
2
Turns ON if the total operating time exceeds the value set for the product service
life (total operating time) checking time. Utilize this event for maintenance of
the equipment, in order to know when to replace this device or all connected
devices.
Product service life check
(total combustion count) A3*
2
Turns ON if the total combustion count exceeds the value set for the product
service life (total combustion count) checking time. Utilize this event for
maintenance of the equipment, in order to know when to replace this device or
all connected devices.
False flame A4 Turns ON if the flame relay is ON before startup and the start check relay does
not turn ON after startup. Possible cause: false flame, or welding of flame relay
contacts
Flame relay OFF A5 Turns ON if the flame relay turns OFF (indicating a flame failure) when the start
input is ON during flame monitoring (PF). Use this event to check the flame
detection status.
Flame relay OFF (shutter
closed) A6 AUR355C: Turns ON if the start input is ON and if the shutter is closed for 5 s or
more. Use this event to diagnose a failure of the flame detector or this device.
AUR355B: This event does not occur.
*1 This can also be used as a maintenance event for the flame detector or flame rod.
*2 Events A1 to A3 occur regardless of whether the start input is ON or OFF.
Handling Precautions
•
When the product is shipped, only A1 (UV flame detector check) is
configured as an event.
•
It is necessary to configure event settings in order to have an event code
displayed when an event occurs. Configure event settings using Smart
Loader Package model SLP-A55 (SLP-A55J91).
z RESET switch
A fault stop can be canceled by pressing the RESET switch for 1 second. After a
fault stop is canceled, start input is not accepted for about 5 seconds.
z
Contact reset input (terminal 24)
A fault stop can be canceled by shorting the contact reset input for 1 second.
After a fault stop is canceled, start input is not accepted for about 5 seconds.