PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company
Page 72
4.5.2.4 <RS232test>
The RS232 self-test is provided to check the PPC4 COM ports and the interface
cable independently of an external device or computer.
If you are having difficulty communicating with PPC4 from a host computer
using RS232,
the RS232 self test can help establish that the PPC4 COM1 port
you are trying to communicate with and the interface cable you are using are good.
To run a self test of the RS232 ports (COM1 and COM2), press
<Spec>
,
<Remote>
,
<RS232test>
.
The display prompts you to connect COM1 to COM2 using a standard pin-to-pin
DB-9F to DB-9M RS232 cable (see Section 6.3.1.1).
Once the cable has been installed,
to run the self-test. The test is first
executed in the COM1
→
COM2 direction and then in the COM2
→
COM1 direction.
If the COM1
→
COM2 test passes:
<PASSED>
displays briefly and the test
proceeds to COM2
→
COM1.
If COM2
→
COM1 passes: <PASSED>
is displayed briefly followed by the
conclusion,
<The RS232 test has PASSED>
.
If a test fails:
Execution is suspended until
is pressed.
Note
•
The PPC4 RS232 test can fail for three reasons:
•
The RS232 cable being used is incorrect (see Section
6.3.1.1 for information on the correct cable).
•
COM1 and COM2 do NOT have the same serial
communications settings and cannot communicate (see
Section 4.5.2.1 to set the COM ports).
•
COM1 or COM2 is defective.
•
The reason for failed communications is almost always a
cable or incorrect RS232 interface settings. Be sure that
these are correct before concluding that a COM port is
defective.
4.5.2.5 <Ethernet>
PURPOSE
<Spec>
,
<Remote>
,
<Ethernet>
allows settings that pertain to the Ethernet
connection (optional). DHCP (Dynamic Host Configuration Protocol) determines
how an IP address will be provided: With DHCP “On” the IP address is provided
by the LAN (Local Area Network). With DHCP “Off” the IP address is provided
manually.
DHCP
On, Off
Addr
IP address (1xx.xxx.xxx.xxx) where x is 0-9
To enter an IP address in static mode (i.e. DHCP=Off):
or
to toggle between 0 and 5
and
to increase/decrease by 1
and
select which digit to edit.
Summary of Contents for PPC4
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