Startup - Hach FL1500 Manual Básico Del Usuario

Figure 10 Relay connections
Connection
COM

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 11 shows the instrument keypad.
20 English
Table 5 Relay wiring information
NO
NC
Signal
Normally open
Common
Normally closed