Pico Controller
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Pico Controllers
The Pico™ family of nano-PLCs is our smallest, most economical controller offering, performing simple logic, timing, counting, and real-time clock operations. Splitting the difference between a timing relay and a low-end PLC, Pico is ideal for relay replacement applications, simple control applications such as building and parking lot lighting, and applications in which cost is a primary design issue.
Benefits
- Small Size—The Pico controller is smaller than some relays, saving panel space and system cost.
- Simplicity—Pico is designed with ease of use in mind. All programming and data adjustments can be made using the on-board keypad and LCD display.
- Flexibility—You choose from twenty-two 120/240V AC, 12V DC, 24V DC, and 24V AC models that can all be mounted on a DIN rail, on-machine, or in-panel. The built-in 8A relay outputs can drive a range of electrical components.
- Economy—Pico controllers without on-board keypad, LCD display, or real-time clock let you select the level of functionality required for your application.
Product Design
Pico can be either DIN-rail or panel mounted, or mounted directly on your machine. Pico controllers offer the following control capabilities:
- 8 or 12 inputs (up to 24 inputs with I/O Expansion Block).
- 4, 6, or 8 outputs (up to 16 outputs with I/O Expansion Block).
- 4 soft inputs controlled by the available on-board keypad.
- 16 internal bits for intermediate data storage.
- 16 timers.
- 16 counters (includes 2 frequency counters and 2 high-speed counters).
- 8 real-time clock instructions.
- 16 analog compare instructions (12V DC, 24V DC, or 24V AC units only).
- 16 text display screens.
Depending on which Pico controller you use, Expansion I/O modules can provide up to 40 I/O points.
Specifications
| Memory Size | |
| 512 instructions | |
| Power Supply Input Voltage | |
| 85…264V AC, 50 / 60Hz | |
| 20.4…26.4V AC | |
| 20.4…28.8V DC | |
| 10.2…15.6V DC | |
| Input Voltage Range | |
| 79…264V AC | |
| 14…26.4V AC | |
| 15…28.8V DC | |
| 8…15.6V DC | |
| Relay Output Current | 8A resistive 3A inductive |
| Analog Input (DC and 24V AC controllers only) | 0…10V DC, ±2% of actual value |
| Accuracy of Real Time Clock | ±5 seconds/day (typical) |
| Dimensions (HxWxD), Approx. | |
| 90 x 71.5 x 58 mm (3.54 x 2.81 x 2.28 in) | |
| 90 x 107.5 x 58 mm (3.54 x 4.23 x 2.28 in) | |
| Shipping Weight | |
| 0.2 kg (0.44 lb) | |
| 0.3 kg (0.66 lb) | |
| 0.3 kg (0.66 lb) | |
| Temperature, operating | -25…55 °C (-13…131°F) |
| Temperature, nonoperating | -40…70 °C (-40…158 °F) |
| Operating Humidity | 5…95% (without condensation) |
| Shock (IEC 60068-2-27) | 18 shocks (semi-sinusoidal 15 g / 11 ms) |
| Vibration (IEC 60068-2-6) | 10…57 Hz (constant amplitude 0.15 mm) 57…150 Hz (constant acceleration 2 g) |
| Certifications¬ | UL, CE, CSA, C-Tick, Class I, Division 2 Hazardous Location |
| ¬ When product is marked. See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other certification details. |
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Programming
Using the Keypad
Pico controllers, with on-board keypad and LCD display, can be programmed entirely from the front keypad. Models without the keypad and LCD display are programmed by using PicoSoft programming software or by installing a pre-programmed memory module.
Pico controllers can contain 128 program rungs. Each rung may contain three input instructions and one output instruction. The instruction set includes:
- Input Instructions—examine-on and examine-off.
- Output Instructions—output enable (OTE), set (latch), reset (unlatch), and flip-flop (alternating on/off).
- Timer Instructions—on-delay, off-delay, single pulse, flashing.
- Counter Instructions—count up, count down.
- Real-time Clock Instructions—turn on or off based on time-of-day and day-of-week (models with real-time-clock only).
- Analog Compare Instructions—greater than or less than a setpoint or each other (12V DC, 24V DC, or 24V AC units only).
- Text Display Instructions—display messages, timers, counters, etc. on the LCD display.
Using PicoSoft Programming Software
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PicoSoft programming software (1760-PICOSOFT) lets you create, edit, store, upload, download, and test programs for Pico controllers. This software:
- Provides an easy-to-use programming interface.
- Lets you connect a Pico controller to your PC using the PC to Pico interface cable (1760-CBL-PM02).
With a Pico controller connected to your PC, you can:
- Compare a program in your PC with the program installed on the Pico controller.
- View the status of inputs and outputs in your program for the Pico controller.
- Test your program with the Pico controller.
Download PicoSoft software free of charge from the Pico web site or order PicoSoft software on CD (1760-PICOSOFT) for a nominal fee.
| Cat. No. | Description |
| 1760-PICOSOFT | PicoSoft Programming Software (for standard Pico only) |
| 1760-PICOSOFTPRO | PicoSoft Pro Programming Software (for standard Pico and Pico GFX) |
| 1760-CBL-PM02 | Programming Cable, PC to standard Pico Processor |
Pico Controllers
Select Pico controllers for up to 20 I/O points. Add a Pico Expansion I/O module for up to 40 I/O points.
| Cat. No. | Line Power | Input Voltage Category | Number of Inputs (Digital) | Number of Outputs | Analog | Pico Variation |
| 1760-L12AWA | 120 / 240V AC | 120V AC | 8 | 4 relay | — | — |
| 1760-L12AWA-NC | 120 / 240V AC | 120V AC | 8 | 4 relay | no real-time clock | |
| 1760-L12AWA-ND | 120 / 240V AC | 120V AC | 8 | 4 relay | no display | |
| 1760-L18AWA-EX | 120 / 240V AC | 120V AC | 12 | 6 relay | I/O expandable | |
| 1760-L18AWA-EXND | 120 / 240V AC | 120V AC | 12 | 6 relay | I/O expandable, no display | |
| 1760-L12NWN | 24V AC | 24V AC | 8¬ | 4 relay | 2 (0…10V DC) | — |
| 1760-L12NWN-ND | 24V AC | 24V AC | 8¬ | 4 relay | no display | |
| 1760-L18NWN-EX | 24V AC | 24V AC | 12¬ | 6 relay | 4 (0…10V DC) | I/O expandable |
| 1760-L18NWN-EXND | 24V AC | 24V AC | 12¬ | 6 relay | I/O expandable, no display | |
| 1760-L12DWD | 12V DC | 12V DC | 8¬ | 4 relay | 2 (0…10V DC) | — |
| 1760-L12DWD-ND | 12V DC | 12V DC | 8¬ | 4 relay | no display | |
| 1760-L18DWD-EX | 12V DC | 12V DC | 12¬ | 6 relay | 4 (0…10V DC) | I/O expandable |
| 1760-L18DWD-EXND | 12V DC | 12V DC | 12¬ | 6 relay | I/O expandable, no display | |
| 1760-L12BBB | 24V DC | 24V DC | 8¬ | 4 transistor | 2 (0…10V DC) | — |
| 1760-L12BBB-ND | 24V DC | 24V DC | 8¬ | 4 transistor | no display | |
| 1760-L12BWB | 24V DC | 24V DC | 8¬ | 4 relay | — | |
| 1760-L12BWB-NC | 24V DC | 24V DC | 8¬ | 4 relay | no real-time clock | |
| 1760-L12BWB-ND | 24V DC | 24V DC | 8¬ | 4 relay | no display | |
| 1760-L18BWB-EX | 24V DC | 24V DC | 12¬ | 6 relay | 4 (0…10V DC) | I/O expandable |
| 1760-L18BWB-EXND | 24V DC | 24V DC | 12¬ | 6 relay | I/O expandable, no display | |
| 1760-L20BBB-EX | 24V DC | 24V DC | 12¬ | 8 transistor | I/O expandable | |
| 1760-L20BBB-EXND | 24V DC | 24V DC | 12¬ | 8 transistor | I/O expandable, no display | |
| ¬ Two to four of the digital DC inputs can be use as 0…10V DC analog inputs. These inputs can be used as either digital or analog, not both. For example, you could use 2 analog inputs plus 10 digital inputs on the 1760-L18DWD-EX. | ||||||
Pico I/O Modules
Pico Expansion I/O Modules
Pico Expansion I/O modules connect to the side of the controller and can be used with Pico or Pico GFX-70 controllers. Expansion I/O modules include an expansion module connector. Replacement connectors can be ordered separately.
| Cat. No. | Input Voltage Category | Number of Inputs (Digital) | Number of Outputs |
| 1760-IA12XOW6I | 120/240V AC | 12 | 6 isolated relay |
| 1760-IB12XOB8 | 24V DC | 12¬ | 8 transistor |
| 1760-IB12XOW6I | 24V DC | 12¬ | 6 isolated relay |
| 1760-OW2 | — | — | 2 relay |
| 1760-RPLCONN | Expansion Module Connector - Replacement | ||
| ¬ Four of the digital DC inputs can alternately be used as 0…10V DC analog inputs. These inputs can be used as either digital or analog, not both. For example, you could use 4 analog inputs plus 8 digital inputs. | |||
Accessory Products
DeviceNet Communications Module
The Pico DeviceNet module allows you to have a Pico controller operator as a slave device on the DeviceNet network. It connects to the Pico controller like and expansion I/O module. It can be used with the Pico 18- and 20- point controllers and the Pico GFX-70 controller. 24V DC power must be provided to the device.
| Cat. No. | Description |
| 1760-DNET | Pico DeviceNet Communications Module |
Memory Module
Use a memory module to back up your program and data.
| Cat. No. | Description |
| 1760-MM1 | Pico 8K Memory Module for 12-Point Controllers |
| 1760-MM2 | Pico 16K Memory Module for 18-Point Controllers |
| 1760-MM2B | Pico 32K Memory Module |
Remote Processor
The remote processor is used for terminal mode operation of Pico controllers and I/O modules. Use the remote mounting processor with Pico controllers, Pico expansion I/O, and Pico GFX-70 controllers. Perform text messaging and make data adjustments using the display/keypad unit.
| Cat. No. | Description |
| 1760-RM-PICO | Pico Remote Processor Unit |
Power Supply
The 24V DC power supply is sized to provide enough power for any Pico Standard or Pico GFX-70 system. Line power can be 100 to 240V AC or 85 to 375V DC.
| Cat. No. | Input Voltage | Output Power | Output Voltage | Rated Output Current | Dimensions (W x H x D), Approx. |
| 1606-XLP30E | • 100…240V AC, 47…63 Hz • 85…375V DC |
30 W | 24…28V DC | • 1.3 A @ 24.5V • 1 A @ 28 V |
45 x 75 x 91mm (1.77 x 2.95 x 3.58 in) |
PC-to-Pico Interface Cable
The PC-to-Pico interface cable connects a Pico controller to your PC for use with PicoSoft programming software.
| Cat. No. | Description |
| 1760-CBL-PM02 | Programming Cable, PC to standard Pico Processor |
I/O Simulator Module
| Cat. No. | Description |
| 1760-SIM | Input Simulator for 12 I/O DC Pico Controller |
Additional Resources
These and other publications are available for download from the Rockwell Automation Literature Library.
| Related Publications | Publication Number |
| Pico and Pico GFX-70 Programmable Controllers Selection Guide | 1760-SG001 |
| Pico Family of Controllers Brochure | 1760-BR001 |