7: Setup Mode: Channel Configuration

I/F (Interface) Mode

The Interface (I/F) Mode is a bit-coded byte entered in hexadecimal notation.

I/F Mode (4C) ? _

The following table displays available I/F Mode options:

Note: All bit positions in the table that are blank represent “don’t care” bits for t hat

particular option, which can be set to either a 0 or 1 value.

Table 7-1. Interface Mode Options

I/F Mode Option

7

6

5

4

3

2

1

0

RS-232C (1)
0
0
RS-422/485
0
1
RS-485 2-wire
1
1
7 Bit
1
0
8 Bit
1
1
No Parity
0
0
Even Parity
1
1
Odd Parity
0
1
1 stop bit
0
1
2 stop bits (1)
1
1

(1) 2 stop bits are implemented by the software. This might influence perform ance.

The following table demonstrates how to build some common Interface Mod e

settings:

Table 7-2. RS232 Interface Mode Settings

Binary

Hex

RS-232C, 8-bit, No Parity, 1 stop bit
0100 1100
4C
RS-232C, 7-bit, Even Parity, 1 stop bit
0111 1000
78
Flow

Flow control sets the local handshaking method for stopping serial input /output.

Flow (00) ? _

Use the following table to select flow control options:

xPico User Guide 41