Owner's manual

Chapter 5
Using the RS–232 Ports
5–4
If you are using the RS–232 ports (A or B), you must configure the CVIM
module as follows:
Set the Baud Rate(s)
1 Select the setup menu <Setup>.
1 Select the environment menu <Environ>.
1 Select the I/O menu <I/O>.
1 Select RS–232 communications <RS–232 A> or <RS–232 B).
1 Select the Baud rate which matches your host device; from 300 to 19.2K
Baud.
Note:
When you select RS–232 communications, the data format is fixed as follows:
• 8 Data Bits
• 1 Stop Bit
No Parity
Select the CFG and SYS Hosts
Note: The following steps are not necessary if you are just reading results
data.
1 Select the setup menu <Setup>.
1 Select the environment menu <Environ>
1 Select the system menu <System>
1 Select a host menu <CFG Host> or <SYS Host>.
1 Select RS–232 port for host communications <RS–232A> or
<RS–232B>.
Select the Protocol
1 Select the I/O menu <I/O>.
1 Select RS–232 communications <RS–232 A> or <RS–232 B>.
1 Select either <ASCII> or <DF1>.
Select the CVIM module Trigger Source
1 Select the toolset menu <Toolset>
1 Select the trigger source menu for the appropriate toolset <Trigger
Source>.
1 Select either <I/O>, <Hosted>, or <Auto Trigger> trigger source. Select
hosted trigger if you are using the RS–232 trigger commands. Use I/O
trigger if you are using the discrete I/O inputs as a trigger.
Note: The next section of this chapter describes ASCII protocol followed by
a description of DF1 protocol.
CVIM Module
Configuration Instructions