PLC LED controller specifications
Description
The PLC LED controller consist of a modular PLC from the Panasonic FP2 series. It controls the Red and Green LEDs in the Sphere setup.
| Component | Specification |
|---|---|
| PLC type | Panasonic FP2 series |
| PLC CPU | FP2C2LJ FP2SH CPU with COM port |
| PLC Ethernet unit | FPWEB2 FP Web-Server 2, 10/100MBit/s |
| PLC Output units | FP2Y64TJ FP2 64out transistor NPN (2x for Red and 2x for Green) |
| PLC Input unit | FP2X16D2J FP2 16in (12-24V) |
| PLC PWM unit | FP2PXYPJ FP2 multi I/O PNP |
| PLC Programming connection | RS232 serial interface (special cable) |
| PLC Programming tool | FPWIN PRO 7.0 |
| Current PLC program | PLC program FART2 v2.1 FPWIN Pro 7.pro; Date 29-05-2018 |
| Location of program | Gitlab: biofysica\experiment\sphere Panasonic PLC |
| Number of channels | 128 |
| Configuration programming connection | Ethernet |
| Configuration programming tool | Matlab function: ledcontroller, ledpattern |
| Configuration buffer | 16 ledpatterns |
| PLC cycle speed | 1.35 ms |
| Led timing | Random delay between 1.35 ms and 2.70 ms after trigger (1 to 2 PLC cycles) |
| Timing pulse | Trigger-echo within 40 microsec of LED response |
| Shortest On-Off interval | 5.4 ms (4 PLC cycles) in normal mode; 1.35 ms (1 PLC cycle) in cycle time mode |
| Trigger input | 5V (triggers LED configurations) |
| Gate input | 5V (enables or disables all LED outputs) |
| Intensity regulation | PWM (Pulse Width Modulation) @30 kHz |
| Output voltage | 12V |
| LED type | Bivar 5BC-3-CA-F, common anode, PNP |
| LED light | Red 625nm 4mcd; Green 568nm 6mcd |
| LED load | 1 kOhm in series |
| LED Testing | Red test button (all 128 Red LEDs); Green test button (all 128 Green LEDs) |
| LED Connector type | Binder 719 series 5 poles (connects also the speakers) |
| LED Connector pin assignment | 1 +5V; 2 Red LED signal; 3 Green LED signal; 4 Speaker+; 5 Speaker- |
| LED Connector color assignment | 1 Black; 2 Red; 3 Green; 4 Yellow; 5 Blue |
Panasonic FP2 series
- FP2C2LJ FP2SH PLC
- 1 ms cycle time when <20.000 steps per cycle (120.000 steps max)
- Measured cycle time 1.35 ms
- FP2Y64TJ output unit (4x)
- 64 channels
- 24V NPN output
- Current 0.3A max
- Response time <0.3 ms
- FP2PXYPJ multi I/O unit
- PNP transistor
- PWM output 30 kHz
- Duty cycle 0-100% in steps of 1%
- Max output 800 mA
- FP2X16D2J input unit
- 16 channels
- Current 8 mA @24V
- Response time <0.2 ms