Ttl Serial Line; Use Of The Programming "Hot Key; Alarm Signals - Tefcold XB570L Manual De Usuario

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15. TTL SERIAL LINE

The TTL connector allows, by means of the external module TTL/RS485, to connect the unit to a network
line ModBUS-RTU compatible as the Dixell monitoring system.
The same TTL connector is used to upload and download the parameter list of the "HOT KEY".

16. USE OF THE PROGRAMMING "HOT KEY "

The Wing units can UPLOAD or DOWNLOAD the parameter list from its own E2 internal memory to the "Hot
Key" and vice-versa.
16.1 DOWNLOAD (FROM THE "HOT KEY" TO THE INSTRUMENT)
1.
Turn OFF the instrument by means of the ON/OFF key, remove the TTL serial cable if present, insert
the "Hot Key" and then turn the Wing ON.
2.
Automatically the parameter list of the "Hot Key" is downloaded into the Wing memory, the "DoL"
message is blinking. After 10 seconds the instrument will restart working with the new parameters.
3.
Turn OFF the instrument, remove the "Hot Key", plug in the TTL serial cable and then turn it ON
again.
At the end of the data transfer phase the instrument displays the following messages:
-
End for right programming. The instrument starts regularly with the new programming.
-
Err for failed programming. In this case turn the unit off and then on if you want to restart the
download again or remove the "Hot key" to abort the operation.
16.2 UPLOAD (FROM THE INSTRUMENT TO THE "HOT KEY")
1.
Turn OFF the instrument by means of the ON/OFF key and remove the TTL serial cable if present; then
turn it ON again.
2.
When the unit is ON, insert the "Hot Key" and push the UP key; the "UPL" message will appear.
3.
Push SET key to start the UPLOAD; the "UPL" message will start blinking.
4.
Turn OFF the instrument, remove the "Hot Key", plug in the TTL serial cable and then turn it ON
again.
At the end of the data transfer phase the instrument displays the following messages:
-
End for right programming. The instrument starts regularly with the new programming.
-
Err for failed programming. In this case turn the unit off and then on if you want to restart the
download again or remove the "Hot key" to abort the operation.

17. ALARM SIGNALS

Mess.
Data or memory failure
EE
Thermostat Probe failure
rPF
Evaporator Probe failure
EPF
Insert probe 1, 2, 3, failure
i1P i2P i3P
Real Time Clock data lost
rtC
rtF
Real Time Clock failure
Maximum temperature alarm
HA
Minimum temperature alarm
LA
Fast freezing interrupted by
FF
short power failure
Fast freezing interrupted by long
PFA
power failure
Max duration of the cycle is
OCF
External alarm
EA
Serious external alarm
CA
Door open alarm
dA
1592006207 XB570L GB r1.1 26.08.2015
Cause
Outputs
Alarm output ON. Other outputs unchanged
Alarm output ON. Compressor output according to parameters Con and CoF
Alarm output ON. Defrost termination is timed. No temperature control on fans.
Alarm output ON. Other outputs unchanged. The cycle is made by time
Alarm output ON. Other outputs unchanged.
Alarm output ON. Other outputs unchanged. The date and the duration of the
cycle are not available.
Alarm output ON. Other outputs unchanged.
Alarm output ON. Other outputs unchanged.
Alarm output ON. The freezing cycle restart from the same point at which was
interrupted.
Alarm output ON. The freezing cycle restart from the current phase.
Alarm output ON. Other outputs unchanged. In any case the cycle ends when the
expired
final temperature is reached
Alarm output ON. Other outputs unchanged.
Alarm output ON. Other outputs OFF.
Alarm output ON. Other outputs unchanged.
XB570L
18

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