Ametek Amrel PLA Series Operation Manual page 128

More devices can be paralleled by daisy chain the Trig_Out of each unit to the Trig_In of the other unit for
digital control signal and by connecting the IMON of the Master unit to the EXT_PRG of the Slave units for
analog control signal. Be sure the signal return is different between digital signal (EGND) and analog signal
(AGND). Connect the RY_NO of each Slave unit to RI of Master unit for System Fault operation.
eLoad Configuration – Master eLoad
1) Mode Control:
Press the CC/CV/CR/CP hot keys to activate the operating mode.
2) Manual Range Control: RANGE L,M and H
NOTE: Current Range can be changed to accommodate different current settings – L: 10% of I
I , and H: 100% of I
MAX
3) Set Main Level: Set Main Level to 0 if it is EXT Programming only
4) Set Master+Slave:
a. Press ENTER and "." Simultaneously(activate the back door menu)
b. Press ENTER and LOCAL simultaneously(activate Master/Slave menu)
c. Select the system configuration by key 4 and key 6 or scrolling flywheel and press ENTER
Master only (Default)
Master + 1 Slave
Master + 2 Slaves
Master + 3 Slaves
Master + 4 Slaves
Master + 5 Slaves
5) Set RI live:
➔SYSTEM➔INHIBIT CONTROL➔LATCHED➔LIVE
UTILITY
6) Set Trigger Source:
a.
Access the Trigger Source Selection Menu from the Utility Menu
LOCAL (MENU)➔LOAD CONTROL➔TRIGGER➔SOURCE
b.
Press Enter to configure Trigger Source Selection
c.
Select the required trigger source
7) Set Input Contactor Control:
a.
Access the Port_0 TTL output to activate/deactivate the Salve units
(MENU)➔LOAD CONTROL➔INPUT CONTACTOR ➔CONTROL ➔PORT0 + @
ON
b.
Press Enter to have TTL high at Port_0 when Input On
c.
Program the delay 0ms to 500ms if necessary
8) Select System Bandwidth:
→ LOAD CONTROL → OSCILLATE → OSC. CONTROL →
MENU
OSC3 – Rising and Falling Time = 500
M470039-01 REV-F
MAX.
μs; Slew time of Master should be slower than Slave
, M: 50% of
MAX
LOCAL
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