1747-L553

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1747-L553

Type

SLC 500 processor

Application

PLC controller

Used with

SLC 500 1746 chassis

Processor

SLC 5/05

Memory (words)

64 K

I/O capacity, max

4096 discrete inputs/4096 discrete outputs

Local system, max

3 chassis / 30 slots

Programming instructions

107

Typical scan time

0.9 ms/K (typical for a 1 K ladder logic program)

Bit execution (XIC)

0.37 µs

Programming software

RSLogix 500

Communication options

DH485; RS-232 (DF1 full-duplex, DF1 half-duplex master/slave, DF1 radio modem, DH-485 or ASCII); Ethernet TCP/IP; Data Highway Plus through a ControlLogix gateway; ControlNet through a 1747-KFC15; DeviceNet through a 1761-NET-DNI

Power supply loading at 5V dc

1.0 A

Power supply loading at 24V dc

0 mA

Program scan hold-up time after loss of power

20 ms...3 s (dependent on power supply loading)

Noise immunity

NEMA Standard ICS 2-230

Vibration

Displacement: 0.015 in., peak-to-peak at 5-57 Hz; Acceleration: 2.5 g at 57...2000 Hz

Shock, operating

30 g

Ambient temperature rating, operating

0...60 °C (32...140 °F)

Ambient temperature rating, storage

-40...85 °C (-40...185 °F)

Humidity

5 to 95% without condensation

Technical documents (1)

• Rockwell Automation publication 1747-IN009 (specifications)

Key features

• SLC 5/05 processor with 64 K words memory
• Up to 4096 discrete inputs and 4096 outputs
• Local system up to 3 chassis, 30 slots
• Ethernet TCP/IP and DH485 communication options
• Operating temperature 0 to 60 °C

About the Allen-Bradley 1747-L553

The Allen-Bradley 1747-L553 is the SLC 5/05 64K Controller, listed by Rockwell Automation with a lifecycle status of Discontinued. Rockwell publication 1747-IN009 gives 64 K words of memory, 107 programming instructions and a maximum I/O capacity of 4096 discrete inputs and 4096 discrete outputs. It states a typical scan time of 0.9 ms/K for a 1 K ladder logic program and a bit execution time (XIC) of 0.37 µs. The same publication lists a power supply loading of 1.0 A at 5V dc and 0 mA at 24V dc.

What is the 1747-L553 used for?

The 1747-L553 is the processor in an SLC 500 system. It runs the ladder logic program written in RSLogix 500 and handles the I/O of a local system of up to 3 chassis and 30 slots. Rockwell's publication 1747-IN009 lists Ethernet TCP/IP, DH485 and RS-232 communication options, with Data Highway Plus, ControlNet and DeviceNet reached through the gateways it names.

Lifecycle and successor

Discontinued.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the catalog number 1747-L553 on the module label, together with the series letter and firmware revision. Send us a photo of the label so we can confirm the part before you order.