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ABB UCU-26 - Page 28

ABB UCU-26
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Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)Digital inputs/outputs DIO1 and DIO2
(XDIO:1 and XDIO:2)
Maximum tightening torque 0.45 N·m (4 lbf·in)
Input/output mode selection by
parameters.
As inputs: 24 V logic levels: "0" < 5 V, "1" > 15 V.
R
in
: 2.0 kohm.
Filtering: 1 ms.
DIO1 can be configured as a frequency
input (0…100 kHz with hardware
filtering of 4 microseconds) for 24 V
level square wave signal (sinusoidal or
other wave form cannot be used). In
some control programs, DIO2 can be
configured as a 24 V level square wave
frequency output. Refer to the
firmware manual, parameter group 11.
As outputs: Total output current from +24VD is limited to 200
mA
R
L
DIOx
DIOGND
+24VD
Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)Reference voltage for analog inputs
+VREF and -VREF (XAI:1 and XAI:2)
Maximum tightening torque 0.45 N·m (4 lbf·in)
10 V ±1% and -10 V ±1%,
R
load
1…10 kohm
Maximum output current: 10 mA
Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)Analog inputs AI1 and AI2
(XAI:4 XAI:7).
Maximum tightening torque 0.45 N·m (4 lbf·in)
Current input: -20…20 mA,
R
in
= 100 ohm
Voltage input: -10…10 V,
R
in
> 200 kohm
Differential inputs, common mode range ±30 V
Sampling interval per channel: 0.25 ms
Hardware filtering: 0.25 ms
Resolution: 11 bit + sign bit
Inaccuracy: 1% of full scale range
Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)Analog outputs AO1 and AO2 (XAO)
Maximum tightening torque 0.45 N·m (4 lbf·in)
0…20 mA,
R
load
< 500 ohm
Frequency range: 0…500 Hz
Resolution: 11 bit + sign bit
Inaccuracy: 2% of full scale range
Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)XD2D connector
Maximum tightening torque 0.45 N·m (4 lbf·in)
Physical layer: RS-485
Transmission rate: 8 Mbit/s
Cable type: Shielded twisted-pair cable with a twisted pair for
data and a wire or another pair for signal ground (nominal
impedance 100 165 ohm, for example Belden 9842)
Maximum length of link: 50 m (164 ft)
Termination and bias by switch
Connector pitch 5 mm, wire size 0.5 2.5 mm
2
(22…12 AWG)RS-485 connection (X485)
Maximum tightening torque 0.45 N·m (4 lbf·in)
Physical layer: RS-485
Cable type: Shielded twisted-pair cable with a twisted pair for
data and a wire or another pair for signal ground (nominal
impedance 100 165 ohm, for example Belden 9842)
Maximum length of link: 50 m (164 ft)
Termination and bias by switch (X485 TERM and X485 BIAS)
28 Technical data

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