9 Block BASIC FUNCTION Device Functions Proline Promass 83 MODBUS RS485
118 Endress+Hauser
9.3 Group SYSTEM PARAMETER
9.3.1 Function group CONFIGURATION
BASIC FUNCTION G → MODBUS RS485 GDA
→
PROCESS PARAMETER GIA
→
SYSTEM PARAMETER GLA → CONFIGURATION 660
Function description
BASIC FUNCTION → SYSTEM PARAMETER → CONFIGURATION
INSTALLATION
DIRECTION
SENSOR
MODBUS register:
Data type:
Access:
6600
5501
Integer
read/write
Use this function to reverse the sign of the flow direction, if necessary.
! Note!
Ascertain the actual direction of fluid flow with reference to the direction
indicated by the arrow on the sensor (nameplate).
Options:
0 = NORMAL (flow as indicated by the arrow)
1 = INVERSE (flow opposite to direction indicated by the arrow)
Factory setting: NORMAL
DENSITY DAMPING
MODBUS register:
Data type:
Access:
6602
5508
Float
read/write
The density filter allows the sensitivity of the density measuring signal to be
lowered with respect to variations in the density of the fluid, e.g. with
inhomogeneous liquids. The damping acts on all functions and outputs of the
measuring device.
User input: max. 5-digit number, including unit: 0.00 to 100.00 s
Factory setting: 0.00 s
FLOW DAMPING
MODBUS register:
Data type:
Access:
6603
5510
Float
read/write
Setting the filter depth of the digital filter. The sensitivity of the flow measurement
signal can be reduced with respect to interference peaks (e.g. in the event of a
high solid content, gas bubbles in the fluid etc.). The reaction time of the
measuring device increases with every increase in the filter setting. The damping
acts on all functions and outputs of the measuring device.
User input: 0 to 100 s
Factory setting:
Liquid: 0.0 s
Gas: 0.25 s
POSITIVE ZERO
RETURN
MODBUS register:
Data type:
Access:
6605
5503
Integer
read/write
Use this function to interrupt evaluation of measured variables. This is necessary
when a piping system is being cleaned, for example.
This setting acts on all function and outputs of the measuring device.
Options:
0 = OFF
1 = ON (signal output is set to the “ZERO FLOW” value, temperature and density
are still output)
Factory setting: OFF
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