Yokogawa DR240 - Manual (Page 269)

14-24 IM DR232-01E
14.7 Specifications of Digital Input Module
Style Number: S8
Model, Number of Channels, Terminal Type and Minimum Measurement Interval
Model Number of Channels Terminal Type Minimum Measurement Interval
DU700-11 10 Screw 0.5s
Input method
Floating unbalanced input, each channel mutually isolated (channel independent)
A/D resolution
±20000
A/D integration time
20 ms (50 Hz), 16.7 ms (60 Hz), 100 ms (10 Hz) or auto
(Except, auto switch does not function on the stand-alone DC power supply model or the subunit
(DS400/DS600) of a DC power supply model.)
Minimum measurement interval
Low-pass filter OFF
Cut-off frequency 50/60Hz 10Hz
Minimum measurement interval 0.5 s 4 s
Low-pass filter ON
Cut-off frequency 50/60Hz 10Hz
Minimum measurement interval 3 s 12 s
Normal operating temperature/humidity
20 to 80% RH for –10 to 40
°C, 10 to 50% RH for 40 to 50°C, 5 to 30% RH for 50 to 60°C (no
condensation)
Magnetic field
400A/m max (50/60Hz)
Maximum allowable input voltage
CONT (Contact input) :
±10 V DC
LEVEL (Voltage input) : ±60 V DC
Common mode noise voltage
250 V AC rms (50/60 Hz)
Maximum noise between channels
150 V AC rms (50/60 Hz)
Action
At normal operating temperature/humidity
Voltage input (LEVEL) :
Off for a voltage of less than 24V.
ON for a voltage 2.4 V or more.
Contact input (CONT) : On/Off of contact.*
*: Contact resistance ON ; 2 k
Ω or less, OFF ; 100 kΩ or more
Noise rejection
Rejection by integration type A/D, lowpass filter
Cut-off frequency
50/60/10Hz
Input resistance
CONT : Min. 10 M
Ω
LEVEL : Approx. 1 M Ω
Insulation resistance
Min. 20 M
Ω at 500 V DC between the input terminal and ground.
Dielectric strength
Between input terminals : 1000 V AC (50/60 Hz) for one minute
Between an input terminal and ground : 1500 V AC (50/60 Hz) for one minute
Input source resistance
LEVEL : 2 k
Ω or lower
Power consumption
Included in the main unit or the subunit to which the module is to be installed.