2 SM100-C
（Ⅲ）
Diagram and LED Functions
2.1 Diagram
2.2
Connection Diagram
● Communication cable: Black USB cable (48cm),using for communication between SM100-C and PC, and provide power supply
to SM100-C.
● Test cable: Red and black cables, using for connection between SM100-C and HART instruments.
● Serial port change-over switch
：
Two serial port conversion modes: USB and WIFI.
Switch to USB to enable the communication between communication cable and
PC. The communication cable is connected with PC.
Switch to WIFI to enable the communication between virtual serial port and
PC. The communication cable is connected with the charger.
●
HART change-over switch
：
Three HART conversion modes: 250Ω, NO, 24V/250Ω.
Switch to 250
to instruct the working status with built-in 250Ω resistance.
Switch to NO to instruct the working status without built-in 24V or 250Ω resistance.
Switch to 24V/250Ω to instruct the working status with built-in 24V and 250Ω resistance.
You can switch the change-over switch to the proper position according to the physical condition, then start the connection.
1.
With Built-In 250Ω Resistance
Imported gold-plated hook design,
highlighted the high quality
Imported gold-plated port
