Product Details
AB 1746-NI16V ±10V Dc 1 To 5V Dc 0 To 5V Dc 0 To 10V Dc SLC 500
Analog I/O Module
About 1756-A7
The AB 1756-A7 is a Seven (7) slot chassis from the ControlLogix
Programmable Automation Controller (PAC) platform. This hardware is
an essential component in building a ControlLogix control system as
chassis, such as the 1756-A7 provides backplane connection and
allows module to be installed in the provided module insertion
slots.
The 1756-A7 also hosts the mounting slot for the Power supply,
located at the left most side of the chassis. This chassis supports
slim, standard and power supplies.
The 1756-A7 is mounted directly to the enclosure’s subpanel via the
provided Four (4) mounting tabs. It has physical dimensions of 50.8
x 60.9 x 20.3 cm (20 x 24 x 8 in.) and weighs approximately 1.10 kg
(2.4 lb). Depending on the type of power supply used, the overall
dimension of the 17560A7 varies. This chassis is also provided with
a functional earth ground and protective earth ground terminals.
Recommended wire type and size for the functional earth is an 8.3
sq. mm (8 AWG) solid or stranded copper wire with insulation rating
of 90 °C (194 °F) or greater while for protective earth terminal,
appropriate wire size is 2.1 sq. mm (14 AWG) solid or stranded
copper wire with insulation rating of 90 °C (194 °F) or higher.
The 1756-A7 ControlLogix chassis has a power dissipation of 4.5
Watts and provides maximum backplane current supply of 1.5 A @ 1.2
VDC; 4A @ 3.3 VDC; 15 A / 6 A @ 5.1 VDC and 2.8 A / 2.8 A @ 24VDC
for chassis / slot.
The operational thermal dissipation rate of the 1756-A7 is valued
at 6.1 BTU per hour and the maximum operational power is rated at
1.8 Watts. The backplane current of the 1756-A7 is 2.8 Amps at 24
Volts, 6 Amps or 15 Amps at 5.1 Volts, 1.5 Amps at 1.2 Volts, and 4
Amps at 3.3 Volts. Moreover, the 1756-A7 chassis shipping
dimensions are 50.8 x 60.9 x 20.3 in centimeters or 20 x 24 x 8 in
inches. It weighs 2.4 pounds. The measured operating temperature
range is from 0 to 60 degrees Celsius or 32 to 140 degrees
Fahrenheit. The suggested storage temperature range is from -40 and
85 degrees Celsius. Besides, the compatible humidity type for the
1756-A7 is non-condensing and the relative humidity level the
chassis can be used at is 5 to 95%. The shock rating of the chassis
in its operating state is 30 G (acceleration) and in a
non-operating state, the shock rating is 50 G (acceleration). On
the other hand, the 1756-A7 has an open type of enclosure which
allows the users to easily install it. Furthermore, it uses a
stranded or solid copper wire with a size of 8.3 square millimeters
(14 AWG) that is rated at 194 degrees Fahrenheit (90 degrees
Celsius) or greater for a functional earth ground and a wire with a
size of 2.1 square millimeters (14 AWG) for the protective earth
ground.
Technical Specifications for 1756-A7
Manufacturer | Rockwell Automation |
Brand | AB |
Operating Temperature, Series B | 0°C to +60°C (+32°F to +140°F) |
No. of mounting tabs | Four (4) |
Orientation | Horizontal |
Backplane Current, Chassis/Slot @ 24VDC | 2.8 A/2.8 A |
Backplane Current, Chassis/Slot @ 5.1VDC | 15 A/6 A |
Backplane Current, Chassis/Slot @ 3.3VDC | 4A/4 A |
Backplane Current, Chassis/Slot @ 1.2VDC | 1.5 A |
No. of slots | Seven (7) slots |
Operating Temperature, Series C | -25…+60 °C (-13…+140 °F) |
Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
Cabinet size (HxWxD), min | 50.8 x 60.9 x 20.3 cm (20 x 24 x 8 in.) |
Part Number/Catalog No. | 1756-A7 |
Series | ControlLogix |
Module Type | Chassis |
Mounting | Panel Mount |
Power dissipation, max | 4.5 W |
Slots | 7 |
Power Dissipation (Max) | 4.5 Watts |
Dimensions | 20 x 24 x 8 inches |
Weight | 2.4 pounds (1.1 kilograms) |
Enclosure | Open |
Backplane Current (5 Volts DC) | 10 Amps |
Backplane Current (24 Volts DC) | 2.8 Amps |
UPC | 10612598129314 |
UNSPSC | 32151704 |
FAQ for 1756-A7
How is the 1756-A7 chassis installed?
The 1756-A7 supports direct panel mounting in horizontal
orientation only.
What is the operating temperature of the 1756-A7?
The 1756-A7’s operating temperature is 0…60 °C (32…140 °F) for
Series B and -25…60 °C (-13…140 °F) for Series C chassis.
What is the operating vibration of the 1756-A7?
The 1756-A7 has an operating vibration rating of 2 g @ 10…500 Hz.
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