User Manual – Rev AV    AMETEK Programmable Power 
MX Series    120 
CLOCK/LOCK  Indicates the presence of the -LKS clock and lock auxiliary 
option.  For units without -LKS, this field is set to N/A. For units 
with the -LKS option installed, this field is set to ON.  Note that 
master unit (with -LKM) also has this field set to N/A. 
WH METER  Indicates the presence of the Watt Hour Meter option.  
SYSTEM  Shown here on Series I models only. See CONFIGURATION 
SETUP 3 screen below.  
CONFIGURATION SETUP 3 
(Series II models only) 
MS704  Indicates the presence of the MIL/STD-704 Revision A through 
F test option. If this option is installed, this field will show ON. If 
this option is not installed, this field will show N/A (not available). 
This field is available on Series II MX systems only. 
ABD  Indicates the presence of the ABD0100.1.8  test option. If this 
option is installed, this field will show ON. If this option is not 
installed, this field will show N/A (not available). This field is 
available on Series II MX systems only. 
LF  Indicates the presence of the Low Frequency limit option. If this 
option is set, the maximum frequency that can be programmed 
is 500 Hz. This field is available on Series II MX systems only. 
SYSTEM  This field sets the controller for the correct MX system 
configuration. Available settings are: 
MX30  MX30 Single Unit 
MX45  MX45 Single Unit 
MX60  MX60 system Master 
MX90  MX90 system Master 
MX135  MX135 System Master 
MX180  MX180 system Master 
MX225  MX225 system Master 
MX270  MX270 System Master 
AUX Auxiliary System. 
If this field is set incorrectly, the current limit scaling and current 
measurement will be off by a factor of three. Changes made to 
the SYSTEM field will not take effect until AFTER power on the 
MX system is cycled. (Off, the back on). 
Note: MX systems with Firmware rev. less than 4.0 do not 
support MX60 configuration and uses MX45 setting for MX30. 
MB  Indicates the presence of the Multi-box option. If this option is 
set, the SYSTEM field (above) can be changed to 
accommodate reconfiguration of the MX system. If this option is 
not set, the SYSTEM configuration is fixed and cannot be 
changed by the user. This field is available on Series II MX 
systems only. 
NOTE:  If the MB option is enabled, great care MUST be taken to set the correct SYSTEM 
setting for the configured hardware. Failing do so will result in incorrect operation 
of the MX system and could even result in damage of MX or the equipment under 
test.