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47DT OPERATING MANUAL EM-9508-B Rev.7
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DISPLAY
Main display
5 digits, LCD with LED backlight, 7-segment, 14.2 mm (.56) high
Color
Red or green changeable at alarm
Displayg range
-9999 to 99999
Decimal point position
1 decimal place or none
Zero indication
Higher-digit zeros are suppressed
Sub display
7 digits, LCD with LED backlight, 7-segment, 5.5 mm (.22) high
Color
Green
Over-range indication
‘S.ERR’ (main display) and ‘UNDER’ or ‘OVER’ (sub display) blinking when the
input signal is out of the usable range.
Burnout indication
‘B.ERR’ blinking
Bargraph
No. of LED segments
20, displayed with divided by 10
Color
Amber
Alarm status indication
All setpoints can be set and indicated regardless of alarm output options. Each is
independently set either for Hi or Lo alarm trip.
LL indicator
Turns on in red when the LL alarm is tripped
L indicator
Turns on in red when the L alarm is tripped
H indicator
Turns on in green when the H alarm is tripped
HH indicator
Turns on in green when the HH alarm is tripped
P indicator
Turns on in amber when none of the other alarms is tripped
Status indicators
Max, Min
Display MAX/MIN value, amber LED turns on
Function indicators
Hld
Turns on in green when HOLD signal is ON
TG
Turns on in green when TIMING signal is ON
NG
Blinking in green when a parameter is invalid
Ini
Unused
Alm
Unused
°F
Turns on in green when temperature unit is set to °F
°C
Turns on in green when temperature unit is set to °C
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EXCITATION SUPPLY
+12 V sensor excitation Output voltage (across
the terminals 5 – 6)
12 – 16 V DC with no load
10.8 V DC minimum at 80 mA
Current rating
≤ 84 mA DC
Shortcircuit Protection
Current limited
97 mA maximum
Protected time duration
No limit
+24 V 2-wire transmit-
ter excitation
Output voltage (across
the terminals 5 – 6)
24 – 28 V DC with no load
22 V DC minimum at 20 mA
Current rating
≤ 22 mA DC
Shortcircuit Protection
Current limited
30 mA maximum
Protected time duration
No limit