PIREG-D2. The appropriate temperature coefficient of the heat- ing conductor must be set on the display unit of the PIREG-D2 or via the interface. The temperature coef- ficient of the heating conductor must be positive over the entire temperature range.
The sealing transformer is used by the PIREG-D2 on the primary side. The heat conductor is fed from the secondary side of the transformer. The measuring signals are received directly at the heat conductor and are made available to the controller.
160 ms. The remanence is the residual magnetization in the trans- former's iron core. During the initial remanence setting procedure, the heat conductor has to be heated for a short time to approx. 40 °C – 70 °C. The PIREG-D2 itself uses a phase angle controller to regulate the temperature.
- manual operation: Single-point temperature coefficient correction is started from the Calibration selec- tion menu on the display unit ( 5.2.5.) of the PIREG-D2 or by command when the PIREG-D2 is in the Off-state. The PIREG-D2 retains the temperature set as target value as the temperature of the operating point as long as a low-signal is applied as “Start”...
4.3. Inputs 4.3.1. Start inputs: The PIREG-D2 has two Start inputs. On the one hand, there is the Start input (3) in which the control operates with an external voltage. On the other hand, there is the Start-Contact input (7) with control occurring by the input, for example, being connected to AGND (2) by a switch.
The temperature of the heating conductor can only be determined by the PIREG-D2 as the mean of all parts of the heating conductor. If any individual parts of the heating conductor are exposed or otherwise not in contact with any heat dissipating areas, they will heat up faster than those sections of the heating conductor that are able to dissipate their heat.
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