Base board for
- LC2138
- LC2194

Layout
Schematic

• RS232 converter and 9-pin SubD connector
• Voltage regulator for 5V und 3.3V
• DC jack for plug power pack
• 20-pin JTAG connector
• 14-pin SPI connector
• 6-pin I2C connector
• 2x 4-pin CAN connector
• Power-on LED
• Reset switch
• Jumpers to select RESET and Boot-Mode via RS232
• Small area for application-specific hardware

Base board for
- NET7026

Layout
Schematic

• Board 60mm x 140mm
• DC-DC converter, 9 to 25 Volt input (DC jack or screw connector), 5 Volt/1Ampere output
• 3.3 Volt voltage regulator
• CAN controller MCP2515 and 9-pin SubD
• Termination resistor 120 Ohm with jumper
• 20-pin JTAG connector
• SPI connector
• SPI driver with termination resistor 105 Ohm
• Input/output connector 20-pin
• Area for application-specific hardware
• Weight 53g
• Temperature range -40 to +85°
• Classified UL, CE, RoHS

Layout1
Layout2
Schematic

Null modem cable1
Null modem cable2

• Board 31mm x 45mm (including Sub-D)
• RS232, 250kBaud
• PC compatibel (9 pin Sub-D)
• 3V to 5.5V supply voltage, extremely low current
• +/- 15kV ESD
• Weight only 12,5g
• Temperature range -40 to +85°

10-pin connector wiring

Pin	Function	Function	Pin
1 3 5 7 9	VCC RI TxD RTS DCD	DSR RxD DTR CTS GND	2 4 6 8 10

Layout
Schematic

• Board 51mm x 68mm
• ARM7 (LPC2103, NXP)
• 70MHz clock PLL-adjustable
• 32KB Flash (ISP), 8KB RAM
• 10-pin connector for RS232 converter IF232LP
• Connectors for SPI, I2C, 2x rotary encoder with index, 2x limit switch
• 4x power half bridge BTN7960, Infineon
• High current 20A (max. 33A)
• Power supply 5.5V to 28V
• Voltage for controller 5V +/- 10%
• Weight 42g
• Temperature range -40 to +85°
• Classified UL, CE, RoHS

Layout1
Layout2
Schematic

• Board 25,25mm x 51,20mm
• 4x 7-segment display
• SPI
• Current consumption 98mA (all segments on) 0.4mA (all segments off)
• Weight 13g
• Temperature range -40 to +85°

Layout
Schematic

• Board 60mm x 140mm
• 8x relay (ALZ12B24, Nais), change-over 250V AC, 16A
• Optical indicators to show switch status
• Connector 24-pin 12A
• SPI
• Weight 140g
• Temperature range -40 to +85°
• Classified UL, CE, RoHS