Lcd-Display; Features Of The Lcd Display; Technical Data Of Lcd Display; Configuration Function Of Lcd Display - ABB TTF350 Operating Instructions Manual

LCD-display

16 LCD-display
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Dual function: LCD display with TTF350 configuration options

16.1 Features of the LCD display

•
Transmitter-controlled graphic (alphanumeric) LCD display
•
Character height, mode-dependent
•
Sign, 4 digits, 2 decimal places
•
Bar graph display
•
Plug in to 4 positions each 90° apart
•
Display options:
−
Sensor 1 process data
−
Sensor 2 process data
−
Sensor 1 electrical (Ω / mV)
−
Sensor 2 electrical (Ω / mV)
−
Electronics/ambient temperature
−
Output/current
−
Output %
•
Display diagnostic information related to transmitter and sensor
status

16.1.1 Technical data of LCD display

Temperature range: -20 ... 70 °C
(-50 ... -20 °C or 70 ... 85 °C no function)
Humidity: 0 ... 99% relativ humidity IEC 60068-2-78
Fig. 31
1 Exit/Cancel
2 Scroll back
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68
3 Scroll forward
4 Select

16.2 Configuration function of LCD display

• Configurable TTF350 transmitter parameters per display:
All parameters
(sensor/type circuit, measuring range, leakage current signal,
etc.)
except: table-based sensor and freestyle characteristics,
Callendar van Dusen coefficients, warning and alarm limits, drift
parameters, NE107 "Maintenance required" alarm pulse signal
• Software write protection for TTF350 configuration
16.3 LCD display HMI ignition-proof type B
(intrinsically safe)
Approved for use in zone 0.
Designation:
• II 1G EEx ia IIC T6
Important
The Ex or ignition-proof designation is provided on the name
plate.
EC prototype test certificate: ZELM 07 ATEX 0331 U
Temperature table
Temperature Permissible ambient temperature range
class
Device category 1
use
T6 -40 ... 40 °C
T5 -40 ... 55 °C
T4 -40 ... 85 °C
For the ambient temperature range from -50 °C to -20°C, additional
mechanical protection is required.
Safety-relevant data
Intrinsically safe EEx ia IIC explosion protection
Max. voltage
Short-circuit current
Max. power
Internal inductance
Internal capacitance
TTF350
Device category 2
use
-40 ... 40 °C
-40 ... 55 °C
-40 ... 85 °C
Supply circuit
U = 9 V
i
I = 65,2 mA
i
P = 101 mW
i
L = 0 mH
i
C = 342 nF
i
OI/TTF350-EN