Related Manuals for Gemini 4200
Summarization of Contents
Introduction to the Gemini 4000 Series
General Description of Gemini 4000 Series
Provides an overview of the Gemini 4000 series instruments, their features, and capabilities.
General Description and Core Features
Safety Summary
Outlines critical safety regulations, local codes, and instructions to ensure personal safety and prevent equipment damage.
Gemini Programming Basics
Details how to program the Gemini unit, including setting personalities and entering values for presets and scale factors.
Initial Factory Configuration Settings
Lists the default settings for the Gemini 4100 and 4200, providing a baseline for programming.
Operator Accessible Functions Control
Explains how to enable or disable programming functions for security and daily operation control.
Overflow Indication
Describes the overflow indicator (LED) and the conditions under which it will turn on.
Programming Instructions for Counter/Rate Version
Code 41: Unit Personality Configuration
Defines how to set the Gemini's personality to Counter/Rate or Dual Counter, affecting display channel A.
Code 42: Reset Button and Terminal Actuation Modes
Controls how reset buttons and terminals affect rate and counter display channels and their outputs.
Code 43: Inputs 1 & 2 Response Modes
Details six input response modes for counting and rate applications, including inhibit, up/down, and quadrature.
Code 44: Counter (B) Number of Count Edges
Allows programming for single or two edge counting, affecting resolution and maximum count rates.
Code 45: Counter (B) Scale Multiplier
Provides options to divide the internal count value by 1, 10, 100, or 1000 for display scaling.
Code 46: Counter (B) Decimal Point & Leading Zero Blanking
Configures decimal point placement and leading zero blanking for the counter display.
Code 51: Output Assignment
Assigns outputs to rate or counter channels and enables preset tracking for the Gemini 4200.
Code 52: Output 1 Termination Modes
Defines how Output 1 terminates or resets based on various conditions like output 2, manual reset, or timed output.
Code 53: Timed Output 1 Value
Sets the duration, in seconds, for Timed Output 1 operation, ranging from 0.01 to 599.99 seconds.
Code 54: Output 2 Termination Modes (Gemini 4200 Only)
Defines termination modes for Output 2, similar to Output 1, with options for Gemini 4200.
Code 56: Counter (B) Reset Modes
Specifies six counter reset modes, including manual, automatic, and timed output resets for Counter B.
Dual Preset Counter & Rate Application
Hardware Setup for Application
Details the physical connections and sensor setup for a dual preset counter and rate application.
Scaling the Counter for Application
Explains the procedure and formulas for scaling the counter to display desired units based on input pulses.
Scaling the Rate Indicator
Describes how to scale the rate indicator, using conversion factors and scale multipliers for desired time formats.
Step-by-Step Gemini 4200 Programming
Provides a detailed, sequential guide for programming the Gemini 4200 for a specific application.
Programming Instructions for Dual Counter Version
Code 41: Unit Personality Configuration
Sets the Gemini's personality to Dual Counter, enabling both channels A and B as counters.
Code 42: Reset Button & Terminal Actuation Modes
Controls reset actions for Counter A, Counter B, or both, affecting outputs and displayed values.
Code 43: Inputs 1 & 2 Response Modes
Details six input response modes for dual counter applications, governing how inputs affect counters A and B.
Code 44: Counters A & B Count Edges
Configures single or two edge counting for both counters, impacting resolution and count speed.
Code 45: Counter B Scale Multiplier
Allows scaling of Counter B by dividing its internal value by 1, 10, 100, or 1000.
Code 46: Counter B Decimal Point & Leading Zero Blanking
Configures decimal point placement and leading zero blanking for Counter B's display.
Code 51: Output Assignment
Assigns outputs to Counter A or B, enabling preset tracking between Presets 1 and 2 for Gemini 4200.
Code 52: Output 1 Termination Modes
Defines termination conditions for Output 1 based on Output 2, manual reset, or timed outputs.
Code 54: Output 2 Termination Modes
Defines termination modes for Output 2, applicable when both outputs are assigned to Counter B.
Code 56: Counter B Reset Modes
Specifies six reset modes for Counter B, controlling automatic or manual reset behavior.
Dual Counter Batching Application
Hardware Setup for Batching
Details the hardware connections for a dual counter batching application, including sensors and outputs.
Scaling for Counter A in Batching
Explains that Counter A requires no special scaling for piece counting applications.
Scaling for Counter B in Batching
Details scaling requirements for Counter B to display hundredths of an inch for length control.
Step-by-Step Gemini 4200 Programming
Provides a comprehensive programming guide for a dual counter batching application.
20 mA Current Loop Communications
Sending Commands and Data via Current Loop
Describes how to construct and send command strings to the Gemini for monitoring and control.
Current Loop Communication Format
Defines the serial communication format, including start bits, data bits, parity, and stop bits.
Receiving Data via Current Loop
Explains how the Gemini transmits data, including value abbreviations and transmission examples.
Current Loop Print Options
Details various print options for selecting which Gemini data values to print.
Current Loop Installation Procedures
Covers wiring connections, serial DIP switch setup, and communication parameters for the current loop option.
Communications Application Example
Process Monitoring System Setup
Illustrates a system using multiple Geminis for process monitoring and control via a current loop.
Troubleshooting Gemini Serial Communications
Serial Loop-Back Self-Test Procedure
Describes a self-test procedure to verify Gemini serial communication functionality.
Appendix A: Installation and Input Configuration
Panel Mounting Guidelines
Provides instructions and diagrams for mounting the Gemini unit into an enclosed panel.
Installation Environment Recommendations
Specifies recommended environmental conditions for installing the Gemini unit.
AC Power Selection (115/230 VAC)
Explains how to select the correct AC power input voltage for the unit.
Shield Termination for EMC Compliance
Details proper shield termination for EMC compliance testing.
EMC Compliance Installation Methods
Outlines installation methods and tests for meeting Electromagnetic Compatibility standards.
Additional EMC Installation Guidelines
Offers guidelines for successful installation in industrial environments to ensure EMI compatibility.
Wiring Connections for Gemini Unit
Provides detailed instructions for making all wiring connections to the unit's terminal blocks.
Power Wiring: AC and DC Versions
Covers AC and DC power wiring requirements, including voltage selection and power source considerations.
Relay Wiring Best Practices
Offers guidance on installing snubbers across contactors to prolong contact life and suppress noise.
Serial Communications Setup
Describes the 20 mA current loop communication option and its serial interface.
Input 1 & Magnetic Pickup Input Configuration
Explains setup for Input 1, including magnetic pickup and logic input configurations using DIP switches.
Input 2 Configuration
Describes the setup for Input 2, which functions identically to Input 1 when set for logic operation.
Relay Board Installation and Removal
Provides instructions for installing and removing the relay board from the Gemini unit.
Installation Notes and Guidelines
Contains important notes regarding sensor voltage, current, HI/LO FRQ selection, and cable shielding.
Sensor Output Connection Setups
Illustrates various sensor output connections and configuration switch settings for different sensor types.
Gemini Block Diagrams
GEM4100 Block Diagram Overview
Presents a functional block diagram illustrating the internal circuitry and connections of the GEM4100.
GEM4200 Block Diagram Overview
Shows a block diagram of the GEM4200, detailing its internal components and signal paths.
Sensor Input Connections and Configuration
Sensor Input Connections & Configuration Switch Set-Up
Details sensor input connections and the function of DIP switches for configuring inputs and magnetic pickup.
Appendix B: Specifications and Dimensions
Display Specifications
Specifies the display characteristics, including digit count and size.
Power Requirements for Gemini Units
Details the AC and DC power requirements for the Gemini units.
Sensor Power Output Specifications
Specifies the voltage and current rating for the sensor power output.
Inputs 1 and 2 Capabilities
Details the switch-selectable capabilities of Inputs 1 and 2 for various signal sources.
Magnetic Pickup Input Specifications
Specifies the sensitivity and hysteresis for the magnetic pickup input.
Rate Accuracy and Repeatability
States the accuracy and repeatability specifications for the rate measurement.
Control Inputs Specifications
Lists the specifications for control inputs like Reset and Program Disable.
Electromagnetic Compatibility Standards
Details compliance with EMC standards for electrostatic discharge, RF fields, and transients.
Environmental Conditions for Operation
Specifies operating and storage temperature, humidity, and altitude ratings.
Unit Construction and Ratings
Describes the unit's construction, including bezel material and NEMA/IP rating.
Appendix C: Troubleshooting Guide
Troubleshooting: No Display Issues
Provides causes and remedies for situations where the unit display is not functioning.
Troubleshooting: 'P' on Display
Addresses issues related to a 'P' appearing on the display, indicating a data error on power-up.
Troubleshooting: 'E' on Display
Explains troubleshooting steps when an 'E' is detected on the display, indicating a processor data error.
Troubleshooting: No Front Panel Response
Offers solutions when the front panel controls do not respond, potentially due to programming disable.
Troubleshooting: Unit Not Counting
Covers common causes and solutions for the unit failing to count input pulses correctly.
Troubleshooting: Preset Value Rejection
Addresses issues where the unit rejects a programmed preset value, often related to scale factor divisibility.
Troubleshooting: Incorrect Counting
Provides remedies for incorrect counting, including input selection, wiring, and mode verification.
Troubleshooting: Unit Will Not Reset
Offers solutions for the unit failing to reset, checking front panel disable and reset modes.
Troubleshooting: Data Not Saved or Changed
Troubleshoots issues with saving programmed data, checking panel lockout and correct procedure.
Troubleshooting: Counting During Reset
Addresses the scenario where the unit continues counting even when reset is active, suggesting a mode change.
Appendix D: Command Code Summaries
Counter/Rate Mode Command Code Summary (Codes 41-46)
Summarizes Unit Personality, Reset Modes, Input Modes, Count Edges, Scale Multiplier, and Decimal Point settings.
Counter/Rate Mode Command Code Summary (Codes 51-61)
Summarizes Output Assignments, Termination Modes, Timed Output Values, Reset Modes, and Scale Multipliers.
Counter/Rate Mode Command Code Summary (Codes 62-66)
Summarizes Rate Conversion Factor, Minimum Update Time, Scale Multiplier, Decimal Point, and Operator Accessible Functions.
Dual Counter Mode Command Code Summary (Codes 41-46)
Summarizes Unit Personality, Reset Modes, Input Modes, Count Edges, Counter B Scale Multiplier, and Decimal Point settings.
Dual Counter Mode Command Code Summary (Codes 51-61)
Summarizes Output Assignments, Termination Modes, Timed Output Values, and Counter B Reset Modes.
Dual Counter Mode Command Code Summary (Codes 61-66)
Summarizes Counter A Reset Modes, Counter A Scale Multiplier, Decimal Point, and Operator Accessible Functions.
Appendix E: Scaling for Counting
Scaling for Counting Procedure
Explains how to scale input pulses to desired display units using Scale Factor, Multiplier, and Count Edges.
Appendix F: Scaling for Rate
Scaling for Rate Procedure
Details methods for scaling rate indicators, using conversion factors and scale multipliers for desired time formats.
Appendix G: Gemini 4100 Programming Chart
Gemini 4100 Counter/Rate Programming Chart
Provides a visual chart for programming the Gemini 4100 with function codes and mode selections.
Appendix H: Gemini 4200 Programming Chart
Gemini 4200 Dual Counter Programming Chart
Offers a programming chart for the Gemini 4200, detailing function codes and mode selections for dual counter applications.
Gemini 4200 Programming Procedures
Notes and Hints for Gemini 4200 Programming
Offers tips and systematic approaches for programming the Gemini 4200 to avoid errors and ensure correct functionality.
Function & Mode Selection Procedure
Guides users on how to enter function codes and select mode identifiers for programming the unit.
Data Entry Programming Procedure
Explains the process of entering data values like presets, scale factors, and timed outputs using the front panel.
Gemini 4200 Self Test Routine
Details the self-test routine to verify the unit's functionality, including output testing.
Appendix I: Ordering Information
Gemini Model Ordering Information
Lists model numbers, descriptions, and part numbers for ordering Gemini units and accessories.
Limited Warranty Information
Product Limited Warranty Terms
Outlines the terms and conditions of the product's limited warranty, including coverage and exclusions.
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