Type A And Type As Lcd Indicator; Features; Specifications; Type A Lcd Configuration Function - ABB TTH300 Operating Instruction

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12 Type A and type AS LCD indicator

Change from one to two columns
The type A LCD can be used to carry out configuration functions,
while the type AS LCD only has a display function. Both LCDs can
only be ordered in conjunction with temperature sensors.
CE Marking
The type A and type AS LCD meets all requirements as regards
the CE Marking in accordance with IEC 61326 (2006).

12.1 Features

Transmitter-controlled graphic (alphanumeric) LCD
Character height, mode-dependent
Sign, 4 digits, 2 decimal places
Bar graph display
Rotatable in 12 increments of 30°
Display options
Sensor 1 process data
Sensor 2 process data
Electronics/ambient temperature
Output value
Output %
Display diagnostic information related to transmitter and sensor status

12.2 Specifications

Temperature range
-20 ... 70 °C (-4 ... 158 °F)
Restricted display function (contrast, reaction time) in the
temperature ranges:
-50 ... -20 °C (-58 ... -4 °F) 1)
or
70 ... 85 °C (158 ... 185 °F)
Humidity
0 ... 100 %, condensation permitted
Type A LCD
1 2 3 4
Fig. 26
1 Exit / Cancel
2 Scroll back
1) Additional mechanical protection is required for this range
OI/TTH300-EN
Type AS LCD
A00242
3 Scroll forward
4 Select
Type A and type AS LCD indicator

12.3 Type A LCD configuration function

Sensor configuration for standard sensors
Measuring range
Behavior in the event of a fault (HART)
Software write protection for configuration data
Device address for HART and PROFIBUS PA

12.4 Ex relevant specifications

12.4.1 Intrinsic Safety ATEX

Explosion protection
Approved for use in Zone 0.
Designation
II 1G Ex ia IIC T6
EC type-examination certificate PTB 05 ATEX 2079 X

12.4.2 Intrinsic Safety IECEx

Explosion protection
Approved for use in Zone 0.
Designation
Ex ia IIC T6
For further information, see certificate
TTH300 67