FAAC AT- 4/868 UHF, Руководство по установке

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AT-4/868 UHF
FAAC S.p.A. Via Calari, 10 – 40069 – Zola Predosa (BO) - Italy Page 21 of 25
6 LED DESCRIPTION
A series of LED
S
indicates the current status of the AT-4/868 UHF reader.
Fig. 19
:
LEDs
Table 4: description of the LEDs operation.
LED Description
RX LEVEL
Indicates the Power of the signal received by the Tag. These LEDs can also indicate
any radio interferences. In the event of interferences, try to switch to a different
frequency.
RDIS
LED Reading disabled. It lights on if the reading is disabled
IN1
Input status 1. It lights on when the input 1 contact is closed.
TXD
Data transmission (RS232, RS422, USB, I/F-board).
RXD
Data reception (RS232, RS422, USB, I/F-board).
ID
Identification. It flashes rapidly when a valid Transponder is identified.
STS
Status LED.
Slow flashing:
(0.8 sec on / 0.8 sec off). Indicates that the power supply is
present and that the processor is running.
Fast flashing: it appears following a system start.
Double flashing: Configuration menu active.
Off:
Indicates a fault.
SQ-ACT
Sensitivity check active.
DC-HI
Power voltage too high.
DC-LO
Power voltage too low.
DC-FAIL
Internal power missing.
T-CRIT
Temperature too high.
PLL UL
PLL released. Try to change frequency.
USTS UHF processor status LED. Should be slowly blinking.
UTAG Tag Found.
UREAD Tag data read complete.
UERR Error during tag identification.
Table 4: LED indications