Owner's manual

1 Features

• RoHS compliant

• Input voltage of +7 to 40 VDC

• Connection to PC via serial COM port

• Easy 3-Pin connection to user’s RS485 device

• Small, compact device

2 Pinouts

The green screw terminal connector is for main power. The 3-pin header is for

RS485 communication.

Pin 1

Figure 1: Pin 1 location

Pin Function

1 Power (7-40VDC)

2 Ground

Table 1: Power pinouts

Pin Function

1 RS485 A (-)

2 Ground

3 RS485 B (+)

Table 2: RS485 pinouts

RS485-232 Converter Card Page 4 3/20/2009