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1747-L20E
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Other Available Revisions for the 1747-L20E 1747-L20E//A1747-L20E//B
Common misspellings:
- l747-L20E
- 17A7-L20E
- 1747-120E
- 1747-L2oE
- 1747L20E
Technical Specifications for 1747-L20E
| Brand | Allen-Bradley / Rockwell Automation |
|---|---|
| Series | SLC-500 |
| Part Number | 1747-L20E |
| Product Type | Fixed Controller |
| Product Line | SLC 500 |
| Inputs | 12 |
| Input Type | Sinking |
| Outputs | 8 |
| Output Type | DC transistor source output |
| Total I/O points | 20 |
| Line Power | 120 to 240V AC |
| Input Voltage | 24V DC |
| Fuse Protection | 1.25 A |
| Circuit Power | 50 Volts-Amps |
| Standards | CSA, UL |
| Humidity | 5 to 95 percent (non-condensing) |
About 1747-L20E
The 1747-L20E Fixed Controller by Allen-Bradley is manufactured as part of the SLC 500 product line. It comes with a processor, a power supply, and 20 I/O points packaged in a single device. This power supply has a voltage rating 120/240 Volts AC, with a high-speed counter rated at 8 kilohertz. The Allen-Bradley 1747-L20E Fixed Controller features 12 current sinking inputs that are 24 Volts DC inputs with 8 transistor based outputs. This module has a maximum power rating of 50 Volts-Amps crosswise its circuit, and this provides 200 milliamps of current at 24 Volts DC operational power. It has a fuse protection rating of 1.25 Amps at 120/240 Volts AC. This controller allows for communication through the DH-485 communication port and LED indicators which show the module status on the display. Other notable specifications of this module include a 1K-program memory with lithium battery-backed RAM (with a 5-year battery lifespan) as well as optional EEPROM or UVPROM backup memory.
The Allen-Bradley 1747-L20E SLC 500 Fixed Controller features a processor with scan time of 8 milliseconds per 1K instructions. It also has a hold-up time of 20 to 700 milliseconds between the scans at maximum. This module is CSA and UL-certified and it supports use of the 24 to 14 AWG standard wire sizes. It also offers noise immunity that is rated with the NEMA Standard ICS 2-230 rating. The 1747-L20E Fixed Controller operates in a temperature range of 0 to 60 degrees Celsius, and has a storage or non-operating temperature range of -40 to 85 degrees Celsius. The module features a tolerable relative humidity range of 5 to 95 percent (without condensation). This Allen-Bradley fixed controller and all of the devices connected to it should be properly grounded during installation.
The Allen-Bradley 1747-L20E Controller is a fixed controller that is manufactured as part of the SLC 500 product line. It has 8 DC transistor source outputs, twelve 24 Volts DC sinking inputs, and a line power rating of 120 to 240 Volts AC.
F.A.Q for 1747-L20E
