Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario descargar pdf (Pagina 29)

Installation

Chapter 3

3-5

Figure 3.3

Switch

Settings for Network Link

Both switches ON for

57,600 bits per second

SW–5

13514

Asynchronous Communication Rate and Diagnostic Commands

Switch Assembly SW-6 lets you select the communication rate and

diagnostic commands for the KF2 module’s asynchronous port.

Communication Rate

Set the communication rate switches as shown:

Bits

per

Set Switch:

Second as:

1 2 3

110 OFF OFF OFF

300 ON OFF OFF

600 OFF ON OFF

1,200 ON ON OFF

2,400 OFF OFF ON

4,800 ON OFF ON

9,600 OFF ON ON

Diagnostic Commands

Switch 4 determines how the KF2 module treats diagnostic commands

sent to it by a remote Data Highway station. You can connect the

asynchronous port of the KF2 module directly to a 1771-KG, 1773-KA,

or 1775-KA communication interface module (Figure 1.2). In such

applications, you can set Switch 4 so that the KF2 module either executes

any received diagnostic commands itself or passes those commands to the

other attached communication module.

ou W

ant Y

our Module to:

Set Switch 4:

Execute Received Diagnostic Commands

Pass Any Received Diagnostic Commands to the

Attached Asynchronous Device

OFF

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 234 235

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