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TECSYSTEM S.r.l ®
All the substances banished by the RoHS Directive are excluded by such product. TECSYSTEM
communicates that, today they are not available meaningful results of long duration tests on the lead-free
welding, therefore possible defects of the same won't be recognized in guarantee.
For all the details, please make reference to the text of the Directive in object.
NOTE:
when the unit is powered the fault relay 7-9 closes and it opens again in case of fault condition
42
41
40
ALARM RELAY TEST
This function allows to carry out a test on relays working, without having to use further
procedure you have to keep pressed TEST key for about 5 seconds; TST indication appears for 2 seconds, con-
firming entering in Relays Test mode. Blinking led shows the relay to test; using the cursors you can select the
desired one.
Press SET and RESET keys to energise and de-energise the relay to test; display will show ON-OFF. After 1 min-
ute keyboard no-operation, RELAYS TEST procedure will be automatically left. To end RELAYS TEST procedure,
press TEST key.
DISPLAY MODE
Pressing MODE key, display mode is loaded:
SCAN:
control device displays in scansion all activated channels (each 2 seconds)
AUTO:
control device automatically displays the hottest channel
MAN:
channel temperature manual reading through cursor keys
T.MAX:
monitoring unit displays the highest temperature reached by the sensors and possible alarm or fault
situations occurred after last reset.
Select channels with
TEMPERATURE SENSOR DIAGNOSTIC
In case of breaking of a temperature sensor mounted on the machine to be protected, FAULT relay immediately
switches with the relevant indication of defective sensor on the corresponding channel.
· Fcc for short-circuited sensor.
· Foc for interrupted sensor
To eliminate the message and reset Fault switching, it is necessary to verify Pt100 connections and, in case,
replace the defective sensor.
18
This product is compliance with the Directive
RoHS 2002/95
ELECTRICAL CONNECTION
Pt100 SENSORS CONNECTION
CH 1
CH 2
13 14 15
16 17 18
RELAYS CONNECTION
1
2
3
4
5
ALARM
TRIP
POWER SUPPLY
24-240 VAC-VDC
, delete values with RESET.
T154 protection relays
CH 3
19 20 21
22 23 24
10 11
6
7
8
9
FAULT
CH 4
FAN
Pt100
WHITE
RED
RED
devices. To start test
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