9
M3LM OPERATING MANUAL EM-2663-B Rev.4
4. FEATURES AND PREPARATION PROCEDURE OF M3LM
4.1 FEATURES OF M3LM
The M3LM is a field configurable signal transmitter using a potentiometer and an indicator, without a PC or a dedicated
setting unit.
For instance, select an input range with the DIP switches on the unit to set input. Then apply a desired minimum or
maximum input from the potentiometer and press a front button to memorize the value as minimum or maximum value.
Easy and reasonable M-System’s one-step calibration (hereafter called ‘One-Step Cal’) realizes automatic I/O ranging and
calibration only by pressing a button once.
4.2 PREPARATION PROCEDURE
Before using the unit, perform the calibration according the following flow. The procedure depends on the configuration
options or modes.
• Two configuration modes are available with the model M3LM-R4/A, field configuration using the DIP SW / control
buttons (hereafter called ‘DIP SW configuration’) and the PC configuration.
• The model M3LM-R4/B is for the DIP SW configuration only.
POWER ON
CONFIGURING DIP SW
WIRING & MOUNTING ON DIN RAIL
DIP SW configuration
PC configuration
INPUT RANGING
• With front control buttons and a potentio-
meter.
• With front control buttons, a potentio-
meter and a multimeter.
OUTPUT RANGING
I/O SETTING AND CALIBRATION
• Using the PC Configurator Software
(model: M3LMCFG).
STARTING OPERATION
