Hanna Instruments HI520 - Application Configuration

161 Application Conguration
27. APPLICATION CONFIGURATION
See below, a configuration example with Probes, RS‑485 Modbus remote control, Input, Output and Analog Wiring.
PROCESS ELECTRIC PANEL
REMOTE
CONTROL
(Modbus
Server)
PROCESS CONTROLLER
PROCESS
ALARM
POWER INPUT
OUTPUT RELAY
INPUTS
PROBES
PROCESS
EXTERNAL
INPUT SWITCH
DOSE
MIXER
FLOW SENSOR
EXIT VALVE
LEVEL SENSOR
LEVEL SENSOR
ACID PUMP
BASE PUMP
FILTER
FILTER
FILTER
RECIRCULATION
PUMP
LEVEL SENSOR
PROCESS TANK
BASE TANKACID TANK
PROBE IN LINE
PROBE IN
FLOW CELL
REGULAR CLEANING AND RINSING
WASTE TANK
CLEANING
PUMP
CLEANING SOLUTION
TANK
FILTER
CLEANING PROCESS VALVE
LEVEL SENSOR
LEVEL SENSOR
AN. OUTPUTS
SAFETY
POWER SWITCH
ALARM RELAY
?
DIAG
HOLD
STATUS
ALARM REL 1 REL 2 REL 3 REL 4 REL 5
FFLLOOWW CCEELLLL
Figure 73: HI520 Configuration