13-2
Chapter 13. Specifications
Allowable input voltage: DC voltage input: −15 to +15 V
DC current input: −1.5 to +1.5 V
Scaling: −32000 to +32000 U
(5 digits max. within the above range, 4 digits max. after
the decimal point, reverse scaling possible)
Input impedance: DC voltage input: 1 MΩ or more
DC current input: 50 Ω
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Display unit (included)
Additional display unit (C7D-_ _ _ _ _ _ _ _)
Screen specifications: 3.5 inch QVGA LCD
Status indication (LED): 1 (power)
Status indication (in LCD): DO status, alarm status
Operation button: Touch panel (resistive) and 3 hardware buttons
Power for display unit: Power from main unit if distance from main unit
(display unit connector / additional display unit block)
to display unit is less than 30 m
Power from external power source (5 V DC) if distance
from main unit (display unit connector / additional
display unit block) to display unit is 30 to 100 m
Protection rating: IP67 (front side of display unit only)
Interface language: English/Japanese (switchable)
Service life of LCD: 5 years (half-life of backlight brightness at ambient
temperature 25 °C, brightness setting 4)
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