WREN 12S ME 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 DTR (Used to place in auto flash mode)
• 5 RTS (Used to place in auto flash mode)
• 6 GND

Expansion

• 1 +3V3
• 2 I2C SDA
• 3 I2C SCL
• 4 GND

Test Points

• TP1 24V
• TP2 DC_ADC
• TP3 EN_B
• TP4 EN_A
• TP5 RST
• TP6 PGM/IO0
• TP7 3V3
• TP8 GND
• TP9 GND
• TP10 GPIO14
• TP11 GPIO15
• TP102 GND

Buttons

Reset and PGM