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Summary of Contents for Sigma Myriad LC1 Series
- Page 1 MYRIAD ‘LC1’ LEVEL CONTROLLER INSTRUCTION MANUAL VISIT OUR WEBSITE SIGMACONTROLS.COM MYR LC1 MANUAL 062114...
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Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION………………………………………… Ordering Information Specifications Features Dimensions WIRING…………………………………………………… Dwg # 02-131 Analog Input Analog Output Digital Input Digital Output PROGRAMMING AND INITIAL SETUP……………... Input Range Selection Terminal Block Detail Initial Setup & Programming Overview/Key Description TROUBLESHOOTING & MAINTENANCE ………….. 14 APPENDIX ‘A’... -
Page 3: Introduction
INTRODUCTION: The Sigma Myriad LC1 (Level Controller) is a microprocessor based, state of the art, level controller offering unmatched performance and full user configurability. The LC1 is used with a primary level measuring device whose output signal is compatible with common analog outputs 4/20MA, 0-5VDC, 1-5VDC, and 0-10VDC. - Page 4 5 USER KEYS: Up, Down, Left, Right, Enter ACCURACY: 0.1% of calibrated span LOCKOUT: User password, user configurable LINEARIZER 20 point programmable for non-linear inputs INPUT IMPEDANCE: Voltage 100K, current 100 OHMS POWER: 120VAC (230VAC available) ENVIRONMENTAL: Operating, 0-65° C Storage, -40°...
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Page 5: Analog Output
PROGRAMMING: Menu based, all parameters and setpoints are user configurable via menu prompts and user keys. The pre-configured screens and ‘pull down’ sub menus with English prompts assures rapid setup and commissioning. 1 YEAR WARRANTY OPTIONS: Include relay output, real time clock, expansion cards. M.V. - Page 6 WIRING DETAIL Input/Output see Dwg # 02-131 All electrical wiring must be in accordance with all local state and national codes that apply. Do not exceed the rated current of the D.C. power supply (100MA) or the form ’C’ relay outputs (5A/240VAC resistive). CAUTION Hazardous voltages are present within the enclosure.
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Page 8: Input Range Selection
PROGRAMMING & SETUP The Myriad LC1 utilizes a ‘plain English’ menu driven setup screens which are intuitive and easily understood. From the default screen (Fig. 1), push the ‘Enter’ button to enter the password protected menus. Process Value CPU Status Relay Status Default... - Page 9 Use the Up/Down arrow buttons to select the desired analog input range. NOTE: INPUT TYPE MUST BE CO-ORDINATED WITH INPUT SELECTOR SWITCH LOCATED ON THE BOTTOM OF THE CIRCUIT BOARD (See Appendix ‘A’). NOTE: If the application is linear between minimum input signal and maximum input signal, i.e. “2 point”, then scroll the cursor to ‘NEXT’...
- Page 10 NOTE: This screen sets what the Myriad LC1 displays in its ‘default screen’ for the selected input. The example shown above will display 0.0 units when the input is 4.00 MA. Both the input and the display at that input can be changed for different requirements. A) With the cursor selecting ‘INPUT = 4.00’...
- Page 11 Use the ↑ ↓ keys to change the amount of filtering applied to the input signal. ‘O’ is no filter and ‘10’ is high filter. ANALOG OUTPUT PROGRAMMING From Menu 1 select ‘AOUT’ by highlighting with the cursor as previously described. Once selected press ‘ENTER’...
- Page 12 to change the value to ‘N’ (NO). This will prevent the horn from sounding when the setpoint is reached. Once all values are selected, scroll to ’NEXT’ press ‘ENTER’ to move to the #2 setpoint screen and proceed as described above. When both setpoints are configured, scroll to ‘EXIT’...
- Page 13 Select the ‘CLR’ to reset these values to the current process value and ‘EXIT’ and ‘ENTER’ to return to the main screen. MENU 2 ‘PASSWORD’ All access to the programmable functions are password protected. To change the unit’s access password, Select the ‘PASSWORD’...
- Page 14 MAINTENANCE AND TROUBLE SHOOTING MAINTENANCE: The Myriad LC1 is a digital solid-state device which requires no periodic maintenance. Occasional physical checks of the unit should be carried out for physical and mechanical security of mounting, terminal blocks, and electrical wiring. TROUBLE SHOOTING: UNIT ‘LOCKS UP’...
- Page 15 APPENDIX ‘A’ SWITCH SELECTION OF ANALOG INPUT RANGES (Factory default 4/20MA). The range dip switches are located on the bottom of the main circuit board. Disconnect power, remove two rear screws, remove terminal strips and slide the entire unit out of its case. Turn the unit upside down to locate the range dip switches.
- Page 16 SIGMA MYRIAD LC1 & LC2 PROGRAMMING RECORD SHEET Model Number: ________________ Serial Number: _________________ Vers: ________________ Password: ___________________ • Scale: • Setpoints: Input Type ______________ Output 1 Setpoints Input Points _____________ Set _____________ Decimal Point ___________ Reset ____________ LC1 & LC2...
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Page 17: Warranty
(1) year from date of shipment. Sigma reserves the right to repair or replace at its option any product found to be defective. In no event shall Sigma Controls, Inc. be liable for any consequential, incidental, or special damages and the limit of its liability shall not exceed the purchase price of the supplied equipment.
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