M3LPA
P. / 9
EM-2656 Rev.4
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I/O RANGE LABEL
Blank I/O range labels are included in the product pack-
age. Write in the configured ranges and put the label on
the side as shown below.
INPUT
OUTPUT
I/O Range Label (included in the product package)
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OUTPUT TYPE & RANGE
Table 14
OUTPUT TYPE
MINIMUM SPAN
MAXIMUM RANGE
CONFORMANCE RANGE
DC Current
1mA
0 to 20mA
0 to 24mA
DC Voltage, Narrow Spans
250mV
-2.5 to +2.5V
-3 to +3V
DC Voltage, Wide Spans
1V
-10 to +10V
-11.5 to +11.5V
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INPUT TYPE & RANGE
Table 13
INPUT TYPE
MINIMUM AMPLITUDE
MAXIMUM RANGE
*
4
MAXIMUM AMPLITUDE
Open Collector
4V
0 – 100 kHz
12V
Mechanical Contact
4V
0 – 10 Hz
12V
Voltage Pulse
0.1V
0 – 100 kHz
100V
Two-wire Current Pulse
4mA
0 – 100 kHz
25mA
RS-422 Line Driver Pulse
––
0 – 100 kHz
––
*4. Minimum span: 10% of the maximum frequency range selected in Table 4. (Max./Min. pulse width: 10 sec. / 10 µsec.)
Time constant is set to 50 msec. with the ‘large’ noise filter setting and to 10 msec. with the ‘small’ noise filter setting
(Table 10).
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ZERO & SPAN ADJUSTMENTS
After the transmitter is installed and operational, fine zero
and span tuning can be performed as explained below. Both
zero and span are adjustable within ±15%.
1) Run Mode: Confirm that the LD1 green light is blink-
ing.
2) Fine Zero Calibration Mode: Press MODE button for 1
or 2 seconds until the LD1 red light is ON and the LD2
green light is blinking.
3) Use UP (increase) and DOWN (decrease) buttons to ad-
just the output to 0%.
4) Fine Span Calibration Mode: Push MODE button and
confirm that the LD1 red light is ON and the LD3 green
light instead of LD2 is blinking.
5) Use UP (increase) and DOWN (decrease) buttons to ad-
just the output to 100%.
6) Run Mode: Push MODE button and confirm that only the
LD1 green light is blinking.
Note 1: Calibration steps can be skipped when not needed
by repeating pushing MODE buttons.
Note 2: There is no limitation of entering values for multi-
ple times within one step of Calibration Mode. Signal level
is stored each time the respective UP or DOWN button is
pressed. However, for the input ranging, end always with
100% (UP).
Note 3: Once the transmitter enters the fine zero or span
calibration mode, the output goes to preadjusted 0% or 100%
value respectively regardless of the present input signal.
