1756-IF8 1756IF8 AB AB Non-Isolated Analog Voltage/Current Input
Module
⇒ Click here for good price 1756-IF8
| Brand/Manufacturer | AB/USA |
| Part Number | 1756-IF8 |
| Alternate Part Number | 1756-IF8 |
| Description | MOTOR SERVO |
| Dimennsions | 23.5x18.3x5.3cm |
| Weight | 0.35kg |
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Product Details
The AB 1756-IF8 is a non-isolated analog voltage/current input
module. This module is compatible with the ControlLogix system and
has 8 single-ended, 4 differential, or 2 high-speed differential
inputs available. It requires a removable terminal block housing,
or RTB, that has 36 pins, namely the 1756-TBS6H or the 1756-TBCH
before it can be connected to the chassis. The 1756-IF8 has a
user-configurable voltage range and you can choose from +/- 10.25
Volts with a resolution of 320 µV/count (15 bits plus sign
bipolar), 0 to 10.25 Volts with a resolution of 160 µV/count (16
bits), 0 to 5.125 Volts with a resolution of 80 µV/count (16 bits),
and 0 to 20.5 milliamps with a resolution of 0.32 µA/count (16
bits).
The 1756-IF8 can be wired in three different ways: single-ended
wiring, differential wiring, and high-speed mode differential
wiring. In single-ended wiring, all the input devices are tied to a
common ground and it allows the comparison of one side of the
signal input to the signal ground. The difference is then used by
the module in generating digital data for the controller. Using the
single-ended wiring method maximizes the number of the module's
usable channels. You should use differential wiring when your
applications can have separate signal pairs or common ground is
unavailable and when you need improved noise immunity in your
environment. Channels in this wiring method are not totally
isolated from each other. But when you need the fastest data
updates possible, you should use the high-speed mode differential
wiring method. Note that this mode only allows the use of one out
of every four channels on the module. Specific features of the
1756-IF8 include the module filter, under-range/over-range
detection, process alarms, wire off detection, multiple input
ranges, real-time sampling, digital filter, and rate alarms. Its
backplane voltage and current ratings are 5.1 Volts DC, 150
milliamps maximum, 24 Volts DC, and 40 milliamps maximum. It has an
input current range of 4 to 20 milliamps and an input voltage range
of -10 to 10 Volts. Power consumption is 1.73 Watts and the maximum
overvoltage protection is 30 Volts DC (voltage) and 8 Volts DC
(current).
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If you need detailed technical information, welcome to contact us.
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