Hach sc100 1720E - Relay Options; Relay Setup Menu (from System Setup)

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Operation
4.6 Relay Options
5
— RELEASE
6
Main Menu or Main Measurement Screen —
Step Select Menu Level Confirm
1
MAIN MENU —
2
SYSTEM SETUP
3
RELAY SETUP
4
— Customize the options using the information in section 4.6.1 —
4.6.1 Relay Setup Menu (from System Setup)
1. Select Relay A, B, or C
SELECT SOURCE
Choose from the available options (none, installed sensors, real time clock (RTC)).
SET PARAMETER
Choose from the available options.
SET FUNCTION
Source set to sensor
Alarm: Operates relays in response to the measured parameter. Contains separate High and Low Alarm points, deadbands, and
ON/OFF delay. Defaults: Low = 0.000 NTU, high = 100.00 NTU, low deadband = 5.000 NTU, high deadband = 5.000 NTU, on/off
delays default to zero seconds; Range: 0–999 sec.
Feeder Control: Operates in response to the measured parameter. Can be set for phasing, set point, deadband, overfeed timer,
and ON/OFF delay.
Event Control: Controls a cleaning system (or equivalent) on a timed basis.
Warning: Activated when the analyzer detects a sensor warning.
Source set to RTC
Timer: Sets the timer for a cleaning system (or equivalent). Controls the output hold, interval, duration and off delay.
SET TRANSFER
Normally, each control or alarm relay is active, responding to the measured value of its assigned parameter. During calibration,
however, the relay can be transferred to a preset on/off state to suit the application requirements. Select Energize or De-energize
and press ENTER.
Step Select Menu Level Confirm