Reconfiguration Of Pressure Compensation - Siemens LDS 6 Operating Instructions Manual

Maintenance and Service

6.6 Reconfiguration of Pressure Compensation

6.6 Reconfiguration of Pressure Compensation
Manual to External
1. Starting from "Measuring Window", navigate to the component or channel for which you
2. Press the first soft key to change the text "Manual " to "External Analog In".
3. Set the measuring range to the pressures that correspond to the analog input signal 4 mA
4. Set the limits to suitable values. If the temperature signal exceeds the limits a fault will be
5. Press MEAS to return to measurement screen. Press MEAS again to loose privileges.
6. Hardware connections: Connect the 4-20 mA wires to pin 4 and 12 on the 15 pin
7. The procedure has to be repeated for other channels. It is not necessary to repeat it for
External to Manual
1. Starting from "Measuring Window", navigate to the component or channel for which you
2. Press the first soft key to change the text "External Analog In" to "Manual".
3. Set the manual value to the preferred value.
4. Press MEAS to return to measurement screen. Press MEAS again to loose privileges.
5. The procedure has to be repeated for other channels. It is not necessary to repeat it for
74
want to change the compensation mode. Press the soft key for "Configuration". Enter the
password for privilege level 2 (the password is factory-set to the value "222", but may
have been replaced by a new one). Press "Continue" twice and then select function 82
"Pressure Correction".
and 20 mA respectively.
triggered. Note that the limits cannot be set outside a certain range.
trapezoidal plug (D-SUB plug) at the rear. The conductor cross-section should be >0.5
mm .
2
more than one component per channel since it is a channel specific function.
want to change the compensation mode. Press the soft key for "Configuration". Enter the
password for privilege level 2 (the password is factory-set to the value "222", but may
have been replaced by a new one). Press "Continue" twice and then select function 82
"Pressure Correction".
more than one component per channel since it is a channel specific function.
Operating Instructions, 01/2009, A5E00295894-05
LDS 6