Hach sc200 Basic User Manual

Section 8 Troubleshooting
Problem Resolution
No current output
Verify current output configuration.
Test current output signal using the Test/Maintenance submenu.
Input a current value and verify the output signal at the controller
connections.
Contact Technical Support.
Incorrect current output
Verify current output configuration.
Test current output signal using the Test/Maintenance submenu.
Input a current value and verify the output signal at the controller
connections. If the output is incorrect, perform an output
calibration.
No relay activation
Make sure relay connections are secure.
If using an external power source, make sure the relay wiring is
correct.
Make sure the relay configuration is correct.
Test the relay activation through the Test/Maintenance menu.
The relay should energize and de-energize as selected.
Make sure the controller is not in calibration mode and that the
relay is not being held.
Reset the Overfeed Timer to make sure the timer has not
expired.
Secure Digital Memory (SD) card not
recognized by the controller
Make sure the SD card is properly oriented. The copper traces
should face toward the controller display.
Make sure the SD card is fully seated in the slot and the spring
lock is engaged.
Make sure the SD card is properly formatted with a Fat
32 format. The MMC format is not supported. Follow the
instructions of the card manufacturer to format the SD card on a
PC.
Make sure the card is not larger than 32 GB.
Make sure an SD card is being used. Other types of cards (such
as xSD, micro SD, mini SD) will not work properly.
Information not saving, or not saving properly
to the SD card.
Make sure the SD card is properly formatted with the FAT
32 format. The MMC format is not supported. Follow the
instructions of the card manufacturer to format the SD card on a
PC.
If the SD card has previously been in use, format the card with
the Fat 32 format, install the card in the controller, and try
downloading files.
Try a different SD card.
SD card full
Read the SD card with a PC or other card reader device. Save
important files and then delete some or all of the files on the SD
card.
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Hach sc200 Specifications

General

Enclosure Rating	NEMA 4X/IP66
Operating Temperature	-20 to 60 °C (-4 to 140 °F)
Ambient Temperature	-20 to 60 °C (-4 to 140 °F)
Enclosure Material	Polycarbonate
Operating Humidity	0 to 95% non-condensing
Relay Outputs	Up to 4 SPDT relays
Storage Conditions	-40 to 70 °C (-40 to 158 °F)
Display	Graphical LCD
Inputs	2 digital sensor inputs
Outputs	4-20 mA
Power Supply	100 to 240 VAC, 50/60 Hz
Analog Outputs	2 or 4, 0/4-20 mA
Certifications	CE
Communication	Modbus RTU, HART
Dimensions	144 x 144 mm
Mounting	Panel mount
Output	4-20 mA
Power Requirements (Voltage)	100 to 240 VAC
Warranty	1 year
Weight	1.2 kg