Q13: What is the product warranty period of time? How does the user handle the defective
recorder?
A13: It is 18 months after shipping from Taiwan. Contact your supplier once it becomes defective.
Q14: How does the agent handle the defective recorder? What is the leadtime for the repairs?
A14: To be cost effective, the agent is requested to verify and return the defective board according to the
trouble shooting flow chart in the user manual. If it is difficult to verify the defective board, then
the whole unit may be returned to the factory for repairing. The repairing is at no charge if it is
within warranty period of time. It will be charged at reasonable cost, if it out of warranty. The
lead-time will be 3 weeks after receiving the defective items by the factory.
Q15: What is the procedure to transfer data from the internal memory to CF card after the
internal memory is full?
A15: After 16MB internal memory is full, the earliest data and events will be saved into CF card in
small batch automatically, details in 3.11 Small icons.
Q16: Is Alarm banner available in the recorder along with customized message display?
A16: Alarm banner is unavailable for customized message display. The alarm banner appears after
alarms or events occurred, or the internal memory or CF card is running shortage. A buzzer can be
set to activate if any alarms/events arise.
Q17: How many analog and math channels available and is it possible to retransmit these channels?
A17: Maximum 6 analog inputs plus 18 math inputs are available in one recorder. It is possible to
retransmit the analog and math channels by using 3-channel current output card AO183I or 3-
channel voltage output card AO183V.
Q18: Is the recorder supplied with OPC server?
A18: The OPC server is not available with the present recorder but the next generation of new recorder
VR20. However Observer II PC software does offer DDE solution to allow data transferred to
other devices like PLC, SCADA etc. Please review a few examples in 5.5 DDE dynamic data
exchange.
Q19: Which protocols and hardware interface recorder supports?
A19: For RS-232, RS-422, RS-485 communication, the protocol is Modbus RTU. For Ethernet
communication, the protocol is TCP/IP.
Q20: How many recorders can be connected in a network?
A20: It depends on hardware interface selected. If it is Ethernet communication, maximum, 255 devices
can be connected in the network, each device in unique IP address. If it is RS 485 communication,
247 units can be connected in the network then.
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