Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA www.hannainst.com
HI520 Dual-Channel Universal Process Controller
Quick Reference Guide
Please retain for future use.
QR520 12/22
Controller wiring
• Terminal 1 (high voltage): POWER, ALARM, REL 1 to REL 5
(relays)
• Terminal 2 (low voltage): COMM (RS-485), PROBE1 and
PROBE2, IN1 and IN2 (digital inputs), A01 to A04 (analog
outputs)
• Follow lead markings to ensure output leads are wired
to the correct position on the main board.
COMM
-BA+
IN1 IN2 A01 A02 A03 A04
PROBE
-BA+
PROBE 1
-BA+
PROBE 2
-BA+
INP
-I +
A+
B
—A+
B
—
Probe wiring
1. With controller disconnected from power run the probe cable
through the correct conduit opening.
2. Connect probe leads to the terminal connector PROBE1 or PROBE2.
Follow lead markings for correct wiring of output leads.
3. Carefully put the wired terminal connector into place on the board.
4. Position excess cable through cable gland before tightening the nut.
5. Remove the ground screw and hardware located below the probe
connector. Attach the ground lead ( g).
Probe cabling color code
Marking Attached Cable Patch Cable Functionality
–GREEN BLACK 0 V
BWHITE WHITE RS-485 D –
AYELLOW BLUE RS-485 D+
+BROWN RED 5 V
gGREEN-YELLOW GREEN-YELLOW PROTECTIVE GROUND
Terminal 1Terminal 2
Supported probe series and configurations
HI10 X X –Y8Z Z pH & Temperature
XX 06 PTFE junction
16 Ceramic junction
Y
Glass sensor
Titanium Matching Pin
pH range Temperature range
1Low
temperature 0.00 to 12.00 pH –5.0 to 80.0 °C
(23.0 to 176.0 °F)
3High
temperature 0.00 to 14.00 pH 0.0 to 100.0 °C
(32.0 to 212.0 °F)
4Fluoride
resistant 0.00 to 10.00 pH –5.0 to 60.0 °C
(23.0 to 140.0 °F)
HI20 X X – Y 8Z Z ORP & Temperature
XX 04 PTFE junction
14 Ceramic junction
Y
Sensor type mV range Temperature range
1Platinum ± 2000 mV –5.0 to 100.0 °C
(23.0 to 212.0 °F)
2Gold
HI7630 –Y8Z Z EC & Temperature
Y
2
Two-electrode
cell conductivity,
SS AISI 316,
cell constant
k ≈ 0.1/cm
EC 0.000 µS/cm to 30.00 mS/cm
TDS 0.000 mg/L to 15.00 g/L (TDS factor 0.5)
RES 34 Ω•cm to 99.99 MΩ•cm
Temperature 0.0 to 50.0 °C (32.0 to 122.0 °F)
4
Four-ring
conductivity,
platinum on glass,
cell constant
k ≈ 1.0/cm
EC 0.0 µS/cm to 999.9 mS/cm
TDS 0.0 mg/L to 400.0 g/L (TDS factor 0.5)
RES 1.00 Ω•cm to 9.99 MΩ•cm
Seawater Salinity 400.0 %NaCl, 42 psu, 80 ppt
Temperature 0.0 to 100.0 °C (32.0 to 212.0 °F)
HI7640 –1 8 Z Z Galvanic DO & Temperature
Galvanic sensor
Concentration 0.00 to 50.00 mg/L (ppm)
Saturation 0.0 to 500.0 %
Temperature −5.0 to 50.0 °C (23.0 to 122.0 °F)
HI7640 –5 8 Z Z Optical DO & Temperature
Optical sensor
Concentration 0.00 to 50.00 mg/L (ppm)
Saturation 0.0 to 500.0 %
Temperature −5.0 to 50.0 °C (23.0 to 122.0 °F)
8Smart probe, with RS-485 connection
ZZ 00 supplied with DIN connector (without cable)
05, 10, 15, 25, 50 fixed cable length (in meters)
pH ORP EC Galvanic DO Optical DO
Probes are sold separately.
Scan the QR code to download
the user manual:
