Rockwell-automation 45MLA Controller Installation Instructions Manuel d'utilisateur

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Installation Instructions
45MLA Controller
IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.
Description
The Allen-Bradley 45MLA light array controller drives the
photoelectric elements in the light arrays, which are essentially a
series of transmitted beam pairs. Five versions of the controller are
available, each offering a different communications platform that
can be selected to function with a range of PLCs.
45MLA controller analog model
Cat. No. 45MLA-CTRL-ALG
45MLA controller basic model Cat. No. 45MLA-CTRL-BSC
45MLA controller I/O model Cat. No. 45MLA-CTRL
45MLA controller RS485 Cat. No. 45MLA-CTRL-485
45MLA controller CAN Cat. No. 45MLA-CTRL-CAN
The controller includes numerous application features, allowing
for customization to the many applications. For instance, the I/O
module can be used to configure up to four separate sensing
zones with independent outputs and overhang/over-height
detection. The basic model has a single on/off output for use in
discrete applications. The analog output model offers either a
4…20 mA current or 0…10V output proportional to target height,
width, or position. The network communication models (RS485
and CAN) can be used to communicate precise height readings
and individual beam status.
Features
External controller for 45MLA measuring light arrays
Height measuring capability
Fast reaction time and measurement speed
Configurable over-height and overhang outputs
Analog model offers either 4…20 mA or 0…10V output
proportional to target height, width, or position
Basic models offers single discrete output for use in on/off
applications
I/O model features teach button for setting up four height
“zones” with individual outputs
RS485 and CAN communication models provide extra
functionality, including:
- Connection to RS485 or CAN networks (by model)
- Detailed height information
- Individual beam status
Specifications
Environmental
Certifications cULus and CE Marked for all applicable directives
Operating Environment Housing IP54, terminal strip IP20
Operating Temperature [C (F)] 0…+55° (+32…+131°)
Storage Temperature [C (F)] -25…+70° (-13…+158°)
Relative Humidity 15…95%
Optical
LED Indicators Alignment, target present, outputs, inputs, power
Electrical
Voltage
24V DC ±15% (20.4…27.6V) max.
ripple = 5%
Current Consumption
<300 mA with max. no. of beams to controller, outputs
not connected
Sensor Protection
EN 61000-4-2, EN 61000-4-4 and
EN 61000-4-5; short circuit (SCP), reverse polarity and
overload
Outputs
Response Time See the Response Time section on the next page
Output Type NPN and PNP (push-pull output)
Output Mode Dark operate (when connected as PNP)
Output Current 150 mA max. each
Input Type
Sinking or sourcing (jumper selectable, default is for
connection to PNP output)
Mechanical
Housing Material ABS (FR) UL94-V0
Cover Material Polycarbonate
Connection Types
Spring loaded removable terminal strips;
2 x RJ45 (connection to light arrays only);
CAN model only: 2 additional RJ45 connectors for CAN
comms
Accessories
Required Accessories
45MLA light arrays
(Cat. No. 45MLA-xxxxx0Pxx)
These devices are intended for object
recognition only and may not be used for
protection of humans (access protection).
AT T EN TI O N
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Résumé du contenu

Page 1 - 45MLA Controller

Installation Instructions45MLA ControllerIMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.DescriptionThe Allen-Bradley 45MLA light array controller d

Page 2 - Electrical Configuration

10Functional Description—RS 485 Comm. ModelFigure 6: RS485 Control Unit Extension PCBPin ListingsThe allocation of pins on the main connector, J2, fo

Page 3

11Dip Switch SettingsThe following tables describe settings for DIP switch arrays S1 and S2. Note that changes made to these settings take effect only

Page 4

12This extension PCB is equipped with two RJ45 connectors, J12 and J13, for the CAN interface. The following table describes pin functions.Table 23: C

Page 6

13Table 26: DIP Switch Array S2 Settings (extension PCB) (0: OFF, 1: ON, X: not relevant), DIP 2-4 not used Default ParametersThe termination resistor

Page 8 - Teach Process

Power, Control and Information Solutions HeadquartersAmericas: Rockwell Automation, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 4

Page 9

2Mounting InstructionsThis unit can be mounted on a DIN rail either using the mounting brackets on the back or four screws through the holes on the ta

Page 10 - Extension

3Input LogicThe controller inputs are capable of accepting either NPN or PNP outputs. The default setting is configured as a sinking input to connect

Page 11

4Additionally, the CAN and RS485 controller models offer the flexibility of adjusting these settings through use of specified commands over the serial

Page 12

5Note: Once changed, DIP switch settings are only recognized after a power cycle. The following table details DIP switch settings for the I/O board. P

Page 13

6• Turning off power at any time during the teach process cancels the process. The previously stored values remain valid.• The analog output is active

Page 14 - Default Parameters

7The 45MLA is designed to work with a range of at least 4 m. As a result some translucent targets may not block enough light to be properly detected,

Page 15

8The allocation of pins on the I/O extension PCB is described below.Table 13: J14 Pin ListingsLED IndicatorsThe following table describes LED statuses

Page 16

9Before beginning this process:• Verify that the light array is mounted as it will be in the target application.• Turning the power OFF during any sta

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