Vision SCR Board Calibration Instruction Manual PNEG-1544 Date: 05-10-10 PNEG-1544
PNEG-1544 Vision SCR Board Calibration
Table of Contents Contents Chapter 1 Safety .....................................................................................................................................................4 Safety Guidelines .................................................................................................................................. 4 Safety Instructions .................................................................................................................................
1. Safety Safety Guidelines This manual contains information that is important for you, the owner/operator, to know and understand. This information relates to protecting personal safety and preventing equipment problems. It is the responsibility of the owner/operator to inform anyone operating or working in the area of this equipment of these safety guidelines. To help you recognize this information, we use the symbols that are defined below. Please read the manual and pay attention to these sections.
1. Safety Safety Instructions Our foremost concern is your safety and the safety of others associated with this equipment. We want to keep you as a customer. This manual is to help you understand safe operating procedures and some problems which may be encountered by the operator and other personnel. As owner and/or operator, it is your responsibility to know what requirements, hazards and precautions exist, and to inform all personnel associated with the equipment or in the area.
2. Introduction READ THIS MANUAL carefully to learn how to properly use and install the equipment. Failure to do so could result in personal injury or equipment damage. INSPECT the shipment immediately upon arrival. The customer is responsible for ensuring that all quantities are correct. The customer should report and note any damage or shortage on the bill of lading to justify their claim to the transport company.
3. SCR Drive Setup Read these instructions before installation and operation of the equipment. SCR Board Introduction To perform this procedure, the upper control box will need to be open with electrical power applied. For this reason, a qualified electrician must perform the SCR Board Calibration procedure. Calibrating the SCR Board requires access to the upper control box where the Main I/O Board and SCR Board are located.
3. SCR Drive Setup The SCR Board should be checked before the start of each drying season and intermittently as a preventive measure. Ideally, calibration should be performed when the dryer is full of grain. However, if the auxiliary unloading equipment cannot handle a dryer discharge of 100%, the calibration process should be completed with the dryer empty. If this is the case, the calibration can be checked at minimum capacity (9 VDC at 5%) and recalibrated if necessary once the dryer is full.
3. SCR Drive Setup SCR Board Terminal Locations Terminals L1 and L2 are the input terminals. When the unload system is turned ON, there should be 220 VAC across these terminals. (See Figure 3C.) Terminals A+ and A- are the output terminals. The voltage across these terminals is DC and will vary depending on the setting on the speed control dial. NOTE: For this calibration procedure, disregard the minimum and maximum potentiometers on the SCR Board.
3. SCR Drive Setup Manual Setup Instructions IMPORTANT: All of the speed controls on the SCR Drive are now set in the Vision Software using the touch screen on the dryer control panel. Do not try to setup the SCR drive using the minimum and maximum potentiometers on the SCR Board. Make sure the CL potentiometer is set at the 4 o’clock position and the IR potentiometer is set to the 10 o’clock position. 1. Locate the Main I/O Board in the upper control box. For a reference, See Figure 3A on Page 7.
3. SCR Drive Setup 2. Go to the “Default Operation Screen” on the Vision touch control and select the (See Figure 3E.) button. Figure 3E 3. When the “Select Hardware Setup Parameter To Modify” screen appears (which will be referred to as the “Setup Screen” for the remainder of this manual), press the button. (See Figure 3F.
3. SCR Drive Setup 4. On the “Unload Parameters” screen, set the maximum unloading rate to 100% and the minimum unloading rate to 0% by using the “INCREASE” and “DECREASE” buttons. Touch the “ACCEPT” button to store these values. (See Figure 3G.) Figure 3G NOTE: These settings must be changed in order to properly calibrate the SCR drive. The settings can be returned to another desired setting after the calibration process is complete. 5. Return to the “Default Operation Screen”.
3. SCR Drive Setup 7. Press the “Diagnostics” button to display the “Systems Diagnostics” screen, then press the “Setup Metering Rolls” button. (See Figure 3I.) Setup metering rolls Figure 3I 8. Use a voltmeter to read DC voltage. Place the red lead on the A+ terminal of the SCR Board and the black lead on the A- terminal. (See Figure 3C on Page 9 for the location of these terminals and Figure 3A on Page 7 for the location of the SCR Board.
3. SCR Drive Setup 9. After pressing the “ACCEPT” button, return to the “Default Operation Screen”. 10. Press the Meter Roll Adjustment knob to change the meter roll setpoint to 100% (1000) and then touch “ACCEPT/EXIT” and return to the “Meter Roll Output Voltage Setup” screen. 11. Place the voltmeter leads on the A+ and A- terminals of the SCR Board as described previously and touch the Maximum Speed “Up” and “Down” buttons to get a DC voltage reading of 180 VDC on the voltmeter.
4. Warranty GSI Group, LLC Limited Warranty The GSI Group, LLC (“GSI”) warrants products which it manufactures to be free of defects in materials and workmanship under normal usage and conditions for a period of 12 months after sale to the original end-user or if a foreign sale, 14 months from arrival at port of discharge, whichever is earlier.
This equipment shall be installed in accordance with the current installation codes and applicable regulations which should be carefully followed in all cases. Authorities having jurisdiction should be consulted before installations are made. GSI Group 1004 E. Illinois St. Assumption, IL 62510-0020 Phone: 1-217-226-4421 Fax: 1-217-226-4420 www.gsiag.
