ABB UNITROL 1020 - Page 181

 Chapter 9 - Technical Data
UNITROL 1020 User Manual 3BHS335648 E82 173
Short time overcurrent capability for excitation output
Duration
3 sec
10 sec
20 sec
30 sec
1 min
2 min
5 min
cont.
units
Ambient Temp.
40 °C
38
38
34
32
26
25
24
20
A
55°C
38
38
34
30
25
24
22
20
A
60°C
38
36
32
24
20
18
16
15
A
65°C
36
34
26
20
16
15
13
12
A
70°C
34
30
20
16
14
12
11
10
A
Remark: After an overcurrent occurs, device must not be loaded again for 100 x the defined duration.
Electrical Data of Analog and Digital Input / Output (max. cable length 30m):
Analog Input
Digital Inputs
Full range peak voltage
10 V
Number of inputs
4
Input impedance
240 kOhm
Input impedance to GND
2 kOhm
Common mode range
5 V
GND reference
PE
Accuracy
< 1%
Input voltage range
0…28 V
Resolution
10 mV
Digital input thresholds (high / low)
13 V / 5 V
Analog Output
Digital Inputs / Outputs
Full range peak voltage
10 V
No. of configurable inputs / outputs
8
Max output current
10 mA
Voltage range of 24 V supply
21...25 V
Output impedance
100 Ohm
Maximum output current 24 V supply
600 mA
GND reference
PE
Input impedance (set as input)
1.65 kOhm
Accuracy
< 1%
GND reference
PE
Input voltage range
0...28 V
Digital input thresholds (high / low)
13 V / 5 V
Max driver current (to GND)
150 mA
Electrical Data of Communication Interfaces:
Ethernet Interface
CAN Interface
Data rate
10/100 MBit/s
CAN_L / CAN_H signal level
0…5V
Maximal cable length
100m
Data rate
500 kBit/s
Auto-MDIX
Max cable length
30m
Auto-negotiation and
Termination (configurable with
parallel detection
Jumpers)
2 x 68 Ohm
Isolation to PE
1 kV dc
Isolation to PE
1 kV dc
RS-485 Interface
USB Service Interface
RX / TX signal level
5V
Data rate
12 MBit/s
RS-485 bus
Half duplex
Max. cable length
3m
Data rate
Configurable
USB Version
1.0, 1.1, 2.0
Maximal cable length
500m
Termination (configurable with
Service Control Panel
Jumpers)
120 Ohm
Display resolution (pixel)
128 x 64
Isolation to PE
1 kV dc
Max. cable length
3m
Connector
RJ-45