Hach FL1500 - Startup, User Interface, and Operation

Connect to an RS485 network
Connect to an RS485 network for remote communication.
1. Remove the power to the instrument.
2. Open the access door. Refer to Open the access door on page 12.
3. Put the cable through a strain relief fitting.
4. Install each wire in the terminal block. Refer to Figure 13 on page 20 and Table 14.
5. Tighten the cable strain relief.
6. Install the access door.
Table 14 RS485 wiring information
Terminal Signal
B RS485 non-inverting signal B (+)
A RS485 inverting signal A (–)
COM RS485 common signal
Startup
Supply power
Connect the AC power plug to an electrical outlet to supply power to the instrument. If hard-wired
with conduit, use the switch at the local disconnect to supply power. For DC-powered instruments,
use the switch at the local disconnect to supply power.
User interface and navigation
Keypad description
Figure 17 shows the instrument keypad.
Figure 17 Keypad
1 STATUS key—Shows the instrument data, starts
the slideshow
3 SOFT keys—Selects the option on the display
2 ARROW keys—Moves the cursor 4 MENU key—Goes to the main menu
Status screen
Push the STATUS key to see the instrument data screen. The instrument data screen shows the
information that follows.
English
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