Pennsylvania 7500 indicator manual

Request for Calibration Name. Phone Number. Equipment List. File Upload for Equipment List. Drop a file here or click to upload Choose File Maximum upload size: You can upload your equipment list here using a standard spreadsheet or document format. Where will this calibration take place? On-site at your location. Pick Up and Delivery Service. How many items do you have that typically require calibration each year?

Comments or Special Instructions:. Please describe what product or service you need to discuss. Please note that times are not guaranteed.

Postal Code. Please use reasonable care when removing the unit from the shipping carton and retain the origi- nal packaging materials in case reshipment is required. The serial interface on all models will also transmit the test numbers. Please use reasonable care when removing the unit from the shipping carton, and retain the original packaging materials in case reshipment is required. Carefully remove the back plate from the indicator.

The main circuit board is mounted to the back plate. On the main circuit board, locate the load cell terminal block labeled P A white dot on the circuit board denotes the location of pin 1 on the terminal block. RAM check 7. No Test 6. Check switches not shorted 5. No Test 4. Check load cell excitation voltage 3. Analog verify checks output from analog to digital 2. Indicates count when scale is in the counting mode, and displays messages during calibration and sample set operations.

This interface features programmable baud rates, word lengths, stop bits, parity, address number and a formatted print. Omit lines and if data is not to be written to a file. CA Scale Calibration Err2. Hd Deadload too High Err3. The can be calibrated from the keypad, or through the RS Interface. A digital calibration technique is employed that makes it very versatile when matching the indicator to the Below is an explanation of the switches and their function.

When the calibration mode is entered, the front keypad buttons will be redefined to allow data entry. The display will stop flashing and show "0".

The entry point to each of these categories is the calibration step that is evenly divisible by ten. The access plate is held in place by a sealing screw that passes up through the bottom of the scale. Refer to page 24 for a sample print out. Page 28 CAL 30 Entry point for secondary weighing unit. Page 29 CFG 50 Entry point for sample sizes. SS1 51 - Key in first sample size. SS2 52 - Key in sample size number two. When an address number is assigned, the scale will ignore any commands not preceded by that number.

Page Building A Formatted Print Before continuing, an explanation of formatted printing is necessary. The user selects the format of this string by entering two digit print codes into the 21 available print slots, PSL 81 through PSL Page 32 TARE 1. The scale is controlled by various commands, each three letters long, that represent related English phrases or words. When the scale receives command strings, they are first placed in a character buffer.

ConFigure Communication - To set baud rate etc.