Cleaning The Controller - Hach Polymetron 9500 Manual Del Usuario

Option
CALCULATION
DISCRETE INPUT
SETUP
LANGUAGE
2. Select an option and push enter to activate the menu item.
Section 7 Maintenance
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.

7.1 Cleaning the controller

Always remove power from the controller before performing maintenance activities.
Note: Never use flammable or corrosive solvents to clean any part of the controller. Use of these solvents may
degrade the environmental protection of the unit and may void the warranty.
1. Make sure the controller cover is securely closed.
2. Wipe the controller exterior with a cloth dampened with water, or with a mixture of water and mild
detergent.
26 English
Description
Configures the controller math function.
SET VARIABLE X—Selects the sensor for the x variable.
SET PARAMETER X—Selects the sensor measurement for the x
variable.
SET VARIABLE Y—Selects the sensor for the y variable.
SET PARAMETER Y—Selects the sensor measurement for the y
variable.
SET FORMULA—Select the math function to implement:
• None—Disables the math function
• X-Y—Subtraction function
• X+Y—Addition function
• X/Y—Division function
• [X/Y]%—Percentage function
• [X+Y]/2—Average function
• [X*Y]—Multiplication function
• [X-Y]%/X—Difference function
DISPLAY FORMAT—Selects the number of digits and decimal points.
SET UNITS—Selects the units for the calculated reading.
SET PARAMETER—Selects the parameter for the calculated reading.
Configures three discrete input channels.
Assigns the language used in the controller.
D A N G E R
D A N G E R