Hach NA5600 sc Na+ Mode D'emploi page 15

Option
INTEGRAL
DERIVATIVE
TRANSIT TIME Sets the value to stop the PID control for a selected period of time when the
• LOGARITHMIC function
Option
SET 50% VALUE
SET HIGH VALUE
• BILINEAR function
Option
SET LOW VALUE
SET HIGH VALUE
SET KNEE POINT VALUE
SET KNEE POINT
CURRENT
4.17 Configure the relays
If a relay(s) in the analyzer is connected to an external device, select the triggers that set the relay to
on (active). The relay status shows at the top-right corner of the measurement screen. Refer to
Figure 3 on page 6.
Note: The Normally Open (NO) and Common (COM) relay contacts are connected when the relay is on. The
Normally Closed (NC) and Common relay contacts are connected when an the relay is off.
1. Enable a relay as follows:
a. Push menu, then select SETUP SYSTEM > CONFIGURE ANALYZER > SETUP OUTPUTS
> RELAY SETUP > [select a relay].
b. Select SELECT SOURCE > [analyzer name].
2. Select an option.
Note: Select SET PARAMETER first, then SET FUNCTION and then ACTIVATION.
Option
ACTIVATION
SELECT
SOURCE
SET
PARAMETER
Description
Sets the time interval from the reagent injection point to the contact with the
measuring device.
Sets a value that adjusts for vacillation of the process. The majority of
applications can be controlled without the use of the derivative setting.
sample moves from the sample valve to the measurement electrode.
Description
Sets the value corresponding to 50% of the process variable range.
Sets the high endpoint (upper value) of the process variable range.
Description
Sets the low endpoint (lower value) of the process variable
range.
Sets the high endpoint (upper value) of the process variable
range.
Sets the value at which the process variable range divides into
another linear segment.
Sets the value of the current at the knee point value.
Description
The ACTIVATION options change based on the SET FUNCTION setting.
Refer to the tables that follow to configure the relay.
NONE—Sets the relay to disabled. [analyzer name]—Sets the relay to
enabled.
Sets the channel represented at the relay.
Note: Do not select a channel that contains the symbol "~" (e.g., 4-~SAMPLE4).
Channels that contain the symbol "~" are not measured.
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