Allen-Bradley micrologix 1500, Руководство пользователя

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Publication 1764-UM001A-US-P
Specifications A-3
Table A.2 Input Specifications
Description 1764-24AWA 1764-24BWA and 1764-28BXB
Inputs 0 thru 7
Inputs 8 and Higher
On-State Voltage
Range 79 to 132V ac 14 to 30.0V dc at 30°C
(86°F)
14 to 26.4V dc at 55°C
(131°F) 10 to 30.0V dc at 30°C
(86°F)
10 to 26.4V dc at 55°C
(131°F)
Off-State Voltage
Range 0 to 20V ac 0 to 5V dc
Operating Frequency 47 Hz to 63 Hz 1 kHz to 20 kHz
1 kHz to 500 Hz
(1)
(1) Scan-time dependant.
On-State Current:
•
minimum
•
nominal
•
maximum
•
5.0 mA at 79V ac
•
12.0 mA at 120V ac
•
16.0 mA at 132V ac
•
2.5 mA at 14V dc
•
7.3 mA at 24V dc
•
12.0 mA at 30V dc
•
2.0 mA at 10V dc
•
8.9 mA at 24V dc
•
12.0 mA at 30V dc
Off-State Leakage
Current 2.5 mA minimum 1.5 mA minimum
Nominal Impedance 12k ohms at 50 Hz
10k ohms at 60 Hz
3.3k ohms 2.7k ohms
Inrush Current (max.) 250 mA at 120V ac Not Applicable Not Applicable
NOTE
The 1764-24AWA input circuits (inputs 0-11) do not support
adjustable filter settings. They have maximum turn-on and
maximum turn-off times of 20 milliseconds.
Table A.3 Response Times for High-Speed dc Inputs 0 Through 7
(applies to 1764-24BWA and 1764-28BXB)
Maximum High-Speed
Counter Frequency at
50% Duty Cycle (KHz) Filter
Setting
(ms) Minimum
ON Delay
(ms) Maximum
ON Delay
(ms) Minimum
OFF Delay
(ms) Maximum
OFF Delay
(ms)
20.000 0.025 0.005 0.025 0.005 0.025
6.700 0.075 0.040 0.075 0.045 0.075
5.000 0.100 0.050 0.100 0.060 0.100
2.000 0.250 0.170 0.250 0.210 0.250
1.000 0.500 0.370 0.500 0.330 0.500
0.500 1.000 0.700 1.000 0.800 1.000
0.200 2.000 1.700 2.000 1.600 2.000
0.125 4.000 3.400 4.000 3.600 4.000
0.063
8.000
(1)
(1) This is the default setting.
6.700 8.000 7.300 8.000
0.031 16.000 14.000 16.000 14.000 16.000
AB Spares