Choosing Temperature Units And Automatic/Manual Temperature Compensation; Configuring And Ranging The Current Outputs; Definitions - Emerson Rosemount 1056 Instruction Manual

Instruction Manual
LIQ-MAN-1056

5.3 Choosing Temperature Units And Automatic/Manual Temperature Compensation

5.3.1 Purpose
Most liquid analytical measurements (except ORP)
require temperature compensation. The Model 1056
performs temperature compensation automatically by
applying internal temperature correction algorithms.
Temperature correction can also be turned off. If tem-
perature correction is off, the Model 1056 uses the tem-
perature entered by the user in all temperature correc-
tion calculations.
5.3.2 Procedure
Follow the menu screens in Fig. 5.1 to select automatic
or manual temp compensation, set the manual
reference temperature, and to program temperature
units as °C or °F.
Figure 5-1. Choosing Temp Units and Manual Auto Temp Compensation

5.4 Configuring and Ranging The Current Outputs

5.4.1 Purpose
The Model 1056 accepts inputs from two sensors and
has two analog current outputs. Ranging the outputs
means assigning values to the low (0 or 4 mA) and high
(20 mA) outputs. This section provides a guide for
configuring and ranging the outputs.
CONFIGURE THE OUTPUTS FIRST.

5.4.2 Definitions

1. CURRENT OUTPUTS. The analyzer provides a con-
tinuous output current (4-20 mA or 0-20 mA) directly
proportional to the process variable or temperature.
34
Section 5.0: Programming the Analyzer - Basics
The low and high current outputs can be set to any
value.
2. ASSIGNING OUTPUTS. Assign a measurement to
Output 1 or Output 2.
3. DAMPEN. Output dampening smooths out noisy
ALWAYS readings. It also increases the response time of the
output. Output dampening does not affect the
response time of the display.
4. MODE. The current output can be made directly
proportional to the displayed value (linear mode) or
directly proportional to the common logarithm of the
displayed value (log mode).
S1: 1.234µS/cm 25.0ºC
S2: 12.34pH 25.0ºC
Temperature
Units: °C
S1 Temp Comp: Auto
S2 Temp Comp: Auto
S1 Manual: +25.0°C
S2 Manual: +25.0ºC
April 2017