Hanna Instruments HI520 Quick Reference Manual

Dear Customer, thank you for choosing Hanna Instruments.
HI520 is a universal process controller intended for applications where
simultaneous measurement and control of process variables is needed.
Package contents
• HI520 controller
• Cable gland seals (1 set)
• Power cable, 3 m (9.84') long
• Instrument quality certificate and quick reference guide
Note: Save all packing material. Any damaged or defective item must
be returned in its original packing material with the supplied accessories.
Controller models
HI520-0320
3 relays & 2 analog outputs
Main features
• Hanna Smart digital probes
• RS-485 / Modbus serial communication protocol
• Independent / sequential channel control
• Flexible function assignment for control, cleaning, Hold relays
• IP65 / NEMA 4X protection
• Wall, pipe, panel mounting kit (sold separately)
HI510-01 panel mount
HI510-03 pipe mount
Hanna is committed to developing and deploying digital solutions
with a positive impact on the environment and climate.
Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA
HI520 Dual-Channel Universal Process Controller
HI520-0540
5 relays & 4 analog outputs
HI510-02 wall mount
Safety precautions
• Electrical connection must be carried out by specialized personnel
only. Read safety manual instructions before connecting to power.
• Do not make electrical connections with device connected to power.
• Do not run other cables through the designated power cable gland.
• Have a disconnect switch installed in the vicinity of the instrument
to ensure electrical circuit is de-energized for installation.
Opening the enclosure
• Loosen the four screws, enough for the springs to push them out.
• Grasp the front bezel and swing open to access the two-
terminal power supply board.
Connecting to power
• Remove the blank plug and thread the cable through the power
cable gland.
• Remove the safety cover to access high voltage Terminal 1.
• Connect the probe leads to the terminal connector POWER.
Follow lead markings for correct wiring on the supply
board. Each leads location is marked.
• Ensure the power connector is seated correctly in the power socket.
• Replace safety cover over Terminal 1.
Probe accessories (sold separately)
Saddle Flow cell
BL120-5XX BL120-4XX
Scan the QR code or follow the link to download the user
manual. https://manuals.hannainst.com/HI520
Quick Reference Guide
Blank plug
SIGNAL
PATH
POWER
PATH
Power cable
Immersion electrode holders
HI60501 HI60503
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