B&B Electronics 232OPSDA 0 to 5VDC Input 0 to 5VDC Input 0 to 10VDC Input 0 to 5VDC Input, 4-20mA

RS-232 Port

232OPSDA

A/D0		A/D1		A/D2	A/D3	A/D4	A/D5	GND
TB0	TB1		TB2	TB3	TB4	TB5		TB8

Output		Input
4-20mA	4-20mA Current	4-20mA
Current Loop	Loop	Current Loop
Transmitter		Receiver
Return		Out

Figure 2.1: Current Loop Channel Connections (A/D 0)

NOTE: When using the 4-20mA Current Loop Input with the setup shown in Figure 2.1, A/D 1-5 cannot be used and should be connected to the terminal block labeled GND.

232OPSDA

A/D 1 A/D 2 A/D 3 A/D 4 A/D 5 A/D 0

GND

TB 1

TB 2

TB 3

TB 4

TB 5

TB 0

TB 8

0 to 5VDC Input

0 to 5VDC Input

0 to 10VDC Input

0 to 5VDC Input

0 to 5VDC Input

GND

Figure 2.2: Required Connections for A/D 1- A/D 5

6Documentation Number 232OPSDA1397 Manual

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