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Unipulse F159 User Manual

Unipulse F159
126 pages
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F159
     
07 Nov. 2008
Rev. 1.02
           
OPERATION MANUAL
PLUG-IN WEIGHT MODULE
for the OMRON SYSMAC CJ1 SERIES PLC

Table of Contents

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Unipulse F159 Specifications

General IconGeneral
Frequency50/60 Hz
Control outputRelay
Power supplyAC/DC
Operating Temperature0 to 50°C
Communication InterfaceRS-485
Humidity35 to 85% RH (non-condensing)

Summary

Introduction

Backplane Free – Function Block – Program Standardization

Describes the F159 weighing controller's design for efficient production control applications and its direct connectivity with Omron CJ1 PLC.

Safety Precautions

Warning and Caution Messages

Explains the meaning of WARNING and CAUTION messages to ensure safe operation and prevent injury or property damage.

1. APPEARANCE DESCRIPTION

1-1. Front Panel

Details the physical layout and components of the F159's front panel, including LEDs, switches, and terminals.

1-2. Status LED

Summarizes the names, states, and descriptions of the status LEDs indicating the F159's operating status.

1-3. Unit Number Select Switch

Explains the function of the unit number select switch for data exchange between the CPU unit and F159.

1-4. DIP Switch

Describes the function of the DIP switch for locking calibration and restoring default settings.

4. CALIBRATION

4-1. What is Calibration?

Defines calibration as a procedure to adjust the F159 to indicate correct readings corresponding to actual weights.

4-2. Actual Load Calibration Procedure

Outlines the step-by-step procedure for performing actual load calibration on the F159 module.

4-3. Preparation for Calibration

Details the necessary preparation steps before performing calibration, including LOCK release and initial data setting.

4-4. Zero Calibration

Provides the steps to define the correct initial value by performing zero calibration on the F159.

4-5. Span Calibration

Explains how to adjust the meter to indicate desired readings by placing a known test load on the cell.

5. DISPLAY SETTINGS

5-1. Digital Filter

Describes the digital filter for calculating moving averages to reduce reading fluctuation and enhance stability.

5-2. Analog Filter

Explains the analog low-pass filter used to remove noise components from the load cell input.

5-3. Digital Filter 2

Details Digital Filter 2, an optional function that inserts a digital filter when the reading is stable.

5-4. Motion Detection (MD)

Evaluates weight reading stability and sets a value to criteria parameters, with two operation modes: Stable and Checker.

5-5. Zero Tracking (ZT)

Explains zero tracking for compensating slow system drift and zero-point shift due to residue objects.

5-6. Digital Zero (DZ)

Describes Digital Zero function which forces the Gross weight to be zero-cleared.

5-7. Digital Zero Clear

Function to clear digital zero, used when Zero Error bit is raised.

5-8. DZ Regulation

Sets a range for DZ regulation to compensate zero point, preventing irregular operations.

5-9. One-Touch Tare Subtraction

Clears Net weight by equalizing Gross weight and Tare, activated only if reading is stable.

5-10. One-Touch Tare Subtraction Reset

Allows user to reset tare subtraction, zero-clearing the set value for Tare.

5-11. Digital Tare Subtraction

Enables subtracting an arbitrary value (tare) from Net weight using a digital tare subtraction bit.

5-12. Restriction on Tare Subtraction

Allows applying restrictions on Digital tare subtraction and One-Touch Tare Subtraction actions.

5-13. Sign Reversal during Discharge Control

Reverses the sign of Net weight output to obtain a positive value during discharge weighing.

6. WEIGHING MODE SETTING AND OPERATION

6-1. Feed Weighing and Discharge Weighing

Details methods for controlling metering tank weight during filling (Feed) and discharging material.

6-2. Simple Comparison Control and Sequence Control

Explains comparing measured weight with discharge settings and control operations based on sequence.

6-3. FF CPS. Regulation Value / Free Fall Compensation / Avg. Count of FF CPS. / FF CPS. Coefficient

Covers free fall compensation to correct measurement errors, including regulation value, average count, and coefficient.

6-4. Final / Set Point 2 / Set Point 1 / FF CPS. / Over / Under

Defines parameters used as target and reference values for Final discharge control.

6-5. Near Zero / Upper Limit / Lower Limit

Sets reference values for fixed value final discharge control, including Near Zero, Upper Limit, and Lower Limit.

6-6. U/L Limit Comparison / U/L Limit Comparison Mode/ Near zero Comparison / Over/Under Comparison / Over/Under Comparison Mode

Specifies weight type (Net/Gross) and timing for Upper/Lower, Near zero, and Over/Under comparisons.

6-7. Complete Signal Output Mode / Complete Output Time / Compare Time / Comparison Inhibit Time

Defines output timing and duration of the Complete signal, along with compare and inhibit times.

6-8. Judging Times / AZ Times / At Start NZ Confirmation / At Start WV Confirmation /Auto Jog (ON/OFF) / Auto Jog Timer

Covers judging times, AZ times, start confirmations, auto jog function, and timer settings.

6-9. Net Weight Over / Gross Weight Over

Generates alarms if Net weight or Gross weight exceeds specified limits.

2. CONNECTION

2-1. F159 Block Terminal

Details the terminal layout of the F159 module, mapping terminal designations to functions.

2-2. Load Cell Connection

Provides instructions and diagrams for connecting load cells to the F159 using 6-wire or 4-wire configurations.

2-2-1. 6-wire Connection

Explains the accurate 6-wire load cell connection using a remote sense method for stable excitation voltage.

2-2-2. 4-wire Connection

Details the 4-wire connection, emphasizing the need for jumpers to prevent over-voltage excitation.

2-2-3. Connecting Load cells in Parallel

Guides on connecting multiple load cells in parallel, including power consumption considerations and capacity multiplication.

2-3. Output Connection

Explains the output connection using non-polar MOS FET relays for signal output.

2-3-1. Equivalent Circuit

Presents the equivalent circuit diagram for the F159's signal output, including details on external power units and surge absorbers.

2-4. Connections to Terminal Block

Provides instructions for connecting cables to the terminal block, including tightening torque and terminal width specifications.

3. DATA EXCHANGE WITH CPU

3-1. High Performance I/O Unit Restart Flag

Describes the procedure for restarting the unit by toggling the high performance I/O unit restart flag.

3-2. Relay Area

Details the allocation of weight and status data within the relay area for CPU unit to F159 and F159 to CPU unit communication.

7. LADDER DIAGRAM

8. SETTING VALUES LIST

Weighing Setting Data

Lists initial values and references for weighing setting parameters like Upper limit, Lower limit, and Final.

Initial Data

Lists initial values and references for various initial data parameters such as filters, modes, and calibration settings.

9. ERROR CODE

9-1. Error Code and Error Assistance Code

Details error codes related to calibration, weight, and sequence errors, and their corresponding assistance codes.

9-2. Error Description

Provides detailed descriptions for various error types, including calibration, weight, and sequence errors.

10. BLOCK DIAGRAM

11. DIMENSIONS

12. INSTALLATION

12-1. Connection with CJ1 Unit

Guides on connecting multiple CJ1 units together using integrated side-mount connectors.

12-2. DIN Rail Installation

Details the procedure for mounting the CJ series unit onto a DIN type rail for secure installation.

13. SPECIFICATIONS

13-1. Analog Section

Specifies the analog input characteristics, load cell source, zero/span adjustment, and A/D converter details.

13-2. Display

Describes the front panel LEDs (RUN, ERC, ERH, WERR, OUT1, OUT2) and the terminal layout.

13-3. Setting

Explains setting methods including Unit No. rotary switch, DIP switch, set value storage, and protection.

13-4. General Specifications

Lists general specifications such as power consumption, operating environment, dimensions, and weight.

14. STATEMENT OF CONFORMATION TO EC DIRECTIVES