13
It logs all events such as the date/time, as well as the name of the
connected DPT(s) which was synchronized.
The following is an example of such a Log File output:
Synchronization attempted on: 28/02/2009 10:00:06
ERROR: No ALFTECH DPT was found
Synchronization attempted on: 28/02/2009 16:00:22
ERROR: No ALFTECH DPT was found
Synchronization completed on: 01/03/2009 01:58:44
SUCCESS: DPT-EN3 08110004
Synchronization completed on: 01/03/2009 01:59:30
SUCCESS: DPT-EN3 08110004
Synchronization completed on: 02/03/2009 05:00:07
SUCCESS: DPT-EN3 08110004
6. The left-hand pane in the illustrated dialog lists NO connected
DPT's. When no DPT's are present, or none are detected the list will
appear empty as illustrated. Other warnings Dialogs and pop-ups
will also warn the end-user of a potentially serious condition.
Figure 5: The DPT Synchronization Setup Dialog,
illustrating NO connected DPT's
7. Refresh Icon: When multiple DPT's are connected, the refresh Icon
will poll all available USB ports and list all the DPT's as found.
14
The complete "
DPT-EN3 Users Guide.pdf
", is found on the
accompanied product CD-ROM.
Hardware Installation
DPT-EN3 Electrical Specifications
Electrical Specifications
PARAMETER CONDITION
VALUE
Power supply voltage
Connected to PC
(or powered USB Hub)
USB
Supply current
USB
< 70 mA
Relay Contact Current
7 A
Battery Backup time
USB removed
±7 days
Real Time Clock Accuracy
0 °C to +40 °C
±2 Min/Year
Replacement Battery
3.6 v Rechargeable
(3 x 1.2 volt Nickel Metal Hydride AAA)
Replacing the Batteries
Always refer to the SAFETY INSTRUCTIONS found in this manual.
BATTERIES:
Only qualified service personnel are allowed to replace
the batteries. If the batteries have failed, it has to be removed from the
Printed Circuit Board and replaced. Only replace the batteries with
components of same type and with the same rating, please refer to the
DPT-EN3 Electrical Specifications
section above.
