Xylem DIQ/S 281 Operating Manual page 134

Universal transmitter for one digital sensor
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Technical data
Electrical
connections
DIQ/S 281-CR2
Relay
(2 x)
Current outputs
(2 x)
Connecting
terminals
134
Power consumption
The electrical connections are inside the housing.
Assignment of the terminal strips: See section 3.12.
Output
Max. switching voltage
Max. switching current
Installation require-
ments
Relay functions
Output
Output current
Max. initial output volt-
age
Accuracy
Functions
Terminal type
max. approx. 20 W
Galvanically separated
240 VAC or 24 VDC
2 A (AC and DC)
Fuse rating on the operator side: max. 2 A
Programmable as:
– Opener or closer
– Limit monitor
– Monitoring of the warning and error signals of the
DIQ/S 281
– Proportional frequency output
– Proportional pulse width output
Galvanically separated from the sensors
Can be switched between 0 - 20 mA and 4 - 20 mA
In the case of errors, can be set to: 0 ... 21 mA
13 V, in the case of missing or incorrect burden
0.3 % of current value ± 50 µA,
load max. 500 Ω
Programmable:
– Recorder attenuation, adjustable 0 - 40 mA/s
– Error behavior can be set as required 0 ... 21 mA
– Error behavior according to Namur NE43 can be
selected
– Positive and negative characteristic curve
– PID controller
Screw-type terminal strip, accessible by raising the
lid
DIQ/S 281
ba76226e02
03/2023

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