ABB ISOLTESTER-DIG-RZ Manual Del Usuario página 3

NOTE:
A. If temperature measurement is taken from a PTC sensor,
ISOLTESTER will display
temperature close to the threshold and
HOt
temperatures exceeding the threshold
B. If a given parameter exceeds the maximum value of the
measure scale, the display will show
C. The "Output Relay" LED will switch on only if the auxiliary
relay is on.
D. The parameters view can be substituted by an error
message and an alarm shown on the "Error / Link Fail"
LED.
UK Wiring diagram
Single phase network and QSD-DIG 230/24 (or QSD-DIG 230)
for low temperature and
tLO
for
tHI
(hi_ HIGH)
HI_
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P T100 P T100 P T100 P T100
P T100 P T100 P T100 P T100
Alarm and error indications
Indication
Low insulation
Low impedance
Thermal overload T1 (PT100)
Thermal overload T1 (PTC)
Thermal overload T2 (PT100)
Thermal overload T2 (PTC)
Electrical overload
Error / Link Fail
Short circuit temp sensor T1/T2
Open circuit temp sensor T1/T2
UK Wiring diagram
Poly phase network
Display LED
Alarm + R
0÷499
Alarm + Z
0÷499
Alarm + T1
30÷200 /
HI
Alarm + T1
tHI
Alarm + T2
30÷200 /
HI
Alarm + T2
tHI
Alarm + I
1÷99.9 /
HI
Link Fail+R/Z
LF
T1/T2
SHr
T1/T2
Ope
10