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Operating the Meter Using the Computer Interface
Preparing the Meter for Operations via the RS-232 Interface
5
5-3
RS-232 Print-Only Mode
The print-only mode is intended to be used primarily in those cases where you want to
send measurements taken by the meter to a printer or terminal automatically.
While the meter will respond to remote commands during "print-only" operations, we
recommend first setting the meter’s echo mode to "OFF" (see above). This will prevent
mixing echoed command characters and incoming data.
In the print-only mode, the meter sends every Nth reading shown on the primary and/ or
secondary displays out the RS-232 port. The print rate (N) is selected by the user from
the available values for N. provided in Table 5-2. The duration between output is
determined by the reading rate of the meter (slow (2.5), medium (5.0), or fast (13.5) and
the print-only rate. The output is formatted as one measurement per line from the primary
display or two measurements per line from the primary and secondary display.
Table 5-2. Approximate Print Rates in RS-232 Print-Only Mode
Seconds Between Output Minutes Between Output Hours Between Output
Rate (N) Slow Medium Fast Slow Medium Fast Slow Medium Fast
1
2
5
10
20
50
100
200
500
1000
2000
5000
10000
20000
50000
0.4
0.8
2.0
4.0
8.0
20.0
40.0
80.0
200.0
400.0
800.0
2000.0
4000.0
8000.0
20000.0
0.2
0.4
1.0
2.0
4.0
10.0
20.0
40.0
100.0
200.0
400.0
1000.0
2000.0
4000.0
10000.0
0.07
0.1
0.3
0.6
1.0
3.0
6.0
11.0
25.0
50.0
100.0
250.0
500.0
1000.0
2500.0
0.1
0.1
0.3
0.7
1.3
3.3
6.7
12.3
33.3
66.7
133.3
333.3
0.1
0.2
0.3
0.7
1.7
3.3
6.7
16.7
33.3
66.7
166.7
0.1
0.2
0.4
0.8
1.7
4.2
8.3
16.7
41.7
0.1
0.1
0.2
0.6
1.1
2.2
5.6
0.1
0.1
0.3
0.6
1.1
2.8
0.1
0.1
0.3
0.7
A 240 milliseconds asynchronous pause in the data output of occurs every three seconds.
Perform the following procedure to select the print-only mode and set a printing rate (N):
1. Press in the POWER button on the front panel to turn the meter on.
2. Press S, then press J (ADDR).
If the RS-232 interface is selected, "PRINT" is shown in the secondary display and
the list editor is invoked on the print rate list.
3. Press U or T to scroll to one of the print rates shown in Table 5-2, then press
E to select that rate. A print rate of "0" disables the print-only mode.