WREN S2 DE SDK – Connections

WREN S2 SDK connections have been designed to be relatively straight forward and intuitive.

Inputs (Inputs isolated from Outputs – except supply (1), which is pass through)

• 1 +24V Din1 Green (+12V to +30V)
• 2 2B Din3 Red
• 3 2A Din2 Yellow
• 4 1B Din5 Brown
• 5 1A Din4 Black
• 6 GND DinS White

Outputs (Outputs isolated from Input – except supply (1), which is pass through)

• 1 +24V Din1 Green (+12V to +30V)
• 2 2B Din3 Red
• 3 2A Din2 Yellow
• 4 1B Din5 Brown
• 5 1A Din4 Black
• 6 GND DinS White

UART

• 1 +3V3
• 2 RXD
• 3 TXD
• 4 GND

Expansion

• 1 GND
• 2 SPI SCK
• 3 SPI MISO
• 4 SPI MOSI
• 5 I2C SCL
• 6 I2C SDA

JTAG

• 1 GND
• 2 TCK
• 3 TDI
• 4 TDO
• 5 TMS
• 6 EXIO (GPIO18)

USB

• 1 VBUS (+5V In Only)
• 2 D-
• 3 D+
• 4 ID
• 5 GND

Test Points

• TP1 24V
• TP2 DC_ADC
• TP3 3V3
• TP4 RST
• TP5 PGM
• TP6 EN_A
• TP7 EN_B
• TP8 IO45
• TP9 IO46
• TP100 IO26
• TP101 IO21
• TP102 GND

Buttons

Reset and PGM