User Manual    AMETEK Programmable Power 
RS Series    219 
Field  Description  Setting Range  Purpose 
(Delay R)  applied and the current still exceeds the set current 
limit level.  If the frequency shift is set to 0.0Hz, this 
setting determines the time the output relay will be 
opened after the UNDER VOLTAGE is applied 
CURR  Regen Current 
Limit 
  This is the regenerate current limit set point that the 
power source tries to limit the current to that is fed 
back from the inverter. It is different from the normal 
current limit set value shown in the PROGRAM 
screen. 
PREVIOUS 
SCREEN 
    Returns to previous screen. 
 
9.11.4  SNK Setting Retention 
Parameters set in the REGENERATE CONTROL screen are retained in non-volatile memory 
between uses except for the STATE field which always powers up in the OFF state.  They are 
NOT part of the setup registers however. Thus, only one set of parameters is retained reflecting 
the last used settings. 
9.11.5  SNK Remote Control 
The same SNK parameters can also be programmed over any of the available remote control 
interfaces using SCPI commands. Refer to the RS Programming Manual for details on 
programming syntax. 
9.11.6  SNK and Phase Modes 
On RS models operating in three phase mode, the protection shut down mechanisms are 
implemented on a phase by phase basis.  This means that these parameters can be different for 
each phase. To set all parameters to the same value for all three phases, use the PHASE button 
on the front panel to select the ABC indication in the upper right corner of the LCD display. This 
will allow you to set these values for all three phases. To set values by individual phase, use the 
PHASE button to select either A, B, or C.  The PHASE button cycles between A,B,C and ABC. 
For three phase EUT’s, it is generally recommended to set the same values for all three phases. 
9.11.7  Output Relay control while in Regen Mode 
For some PV inverter tests, it may be necessary to ‘disconnect’ the inverter from the grid 
(simulated by the power source). When the SNK state is ON, the OUTPUT relay control (Output 
On/Off) will cause the output relay to open without the output voltage being dropped first. It is 
important to make sure the inverter is in a balanced state with respect to its load so minimal 
current flows into the power source. If not, the relay of the power source will be hot switched 
which should be avoided. 
9.11.8  FC Option 
When this option is enabled the output frequency will step ±0.15% of program value