Festo MPS PA, Руководство по эксплуатации

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Setup Bottling Learning System
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© Festo Didactic 696690
8.10 Electrical connection technology
8.10.1 Connection board
The connection board serves as an interface for the analog and digital input and output signals. All analog
signals are converted to 0…10 V and applied to the analog terminal. The binary signals, max. eight inputs
and eight outputs per station, are applied to the I/O terminal. This ensures compatibility with EasyPort,
SimuBox, and PLC trainers.
Figure 14: I/O connection board
1.
Earthing terminals
2. I/O terminal (Syslink Station): connection of the inputs, for example capacitive proximity sensors, and
connection of the outputs, for example pumps.
3. Jumper: in the delivery state (jumper = "analog"), the
actuator (pump, heater, etc.) is controlled analogically (analog terminal UA1). By repositioning the
jumper from "analog" to "digital", the actuator (pump, heater, etc.) can also be controlled digitally.
(I/O terminal output A0.0)
4. Analog terminal (Syslink analog): analog connection of the controlled variable x and the manipulated
variable y.
5. Comparator: the actual value can be converted into a digital signal via the potentiometers.
6. Starting current limiter: limits the max. station current (e.g., starting current of pumps)
7. DC motor control: for controlling the belt motors (0...10V corresponds to 0...24V).
8. Motor control: enables analog control of motors (0...10V corresponds to 0...24V).
9. 2-fold changeover relay for overflow protection circuit: if a tank is overfilled, the float switch opens, the
relay drops out and interrupts the power supply to the pump motors.
10. Wiring terminals for overflow protection circuit