Communication Controls
CONTROLS AND INDICATORS
The unit can be configured using either the Thyro‑Touch display, or via the Thyro-
Tool Pro software.
The setpoint control characteristic of Thyro-PX may be easily adapted for the control
output signal of the upstream process controller or automation system. The
adaptation is made by changing the starting and ending points of the control
characteristic. Inverted operation (ending value is smaller than the starting value in
voltage or current) is also possible. The effective setpoint is the total setpoint, and it
is formed by adding the three setpoints as shown in Figure 4‑1. In the simplest case,
all the setpoint values are added algebraically. The prerequisite for a setpoint to
influence the total setpoint value is that it must be enabled by the setpoint
configuration.
• Analog setpoint: (X52.2 to X52.5 ground) 4 mA to 20 mA default, other
configurations are possible (for example, 0 V to 5 V)
• Bus setpoint: Setpoint of the superordinate system or PC via either USB or the
optional bus interface.
• Motor potentiometer setpoint: Setpoint input (motor potentiometer function)
settings via USB, the optional bus interface, or the Thyro‑Touch display. The
motor potentiometer setpoint is stored in case of mains failure.
If a unit is operating in the multi-zone mode, there are up to three setpoints, one for
each zone.
Thyro-PX
®
Power Controller
Chapter
4
57010148-00G Communication Controls 4‑1
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