User Manual – Rev BE AMETEK Programmable Power
MX Series 35
connection. For 3 or more cabinets with controller, this BNC can be daisy chained using BNC T connectors (refer to
Figu r e 3-18
).
(The January 2017 and later MX units with the emergency shutoff option are designed with the shutdown signal built into the
system interface cable, thus eliminating the need for a BNC cable).
NOTE: Do not misplace the 2 keys provided, as no duplicates are available from AMETEK. If lost, the ES switch must be replaced.
In that case, contact AMETEK Programmable Power repair department at: (repair.ppd@ametek.com
).
-HF
Increases maximum output frequency to 905 Hz.
NOTE: This option cannot be combined with –LKM o r -LKS option.
-LAN
Adds Ethernet interface (RJ45 connector) for local area network connection. Disables RS-232 port.
-LF
Limits maximum output frequency to 500 Hz.
-LKM
Clock and Lock system, Master. (Not available with –HF opt i on )
-LKS
Clock and Lock system, Auxiliary. (Not available with –HF option)
-MB
Mu l t i -box Option. Provides additional controllers in Auxiliary units of multi-cabinet configurations (MX60, MX90, MX135) to
allow individual MX45 units to be used stand-alone.
-SNK
Current Sink Option. Allows application of regenerative loads that feed energy (current, power) back into the MX output stage.
The energy fed back is returned to the AC line (utility) feeding the MX.
-FC
This option will step the frequency ≠0.25% of program frequency
External Accessories (External to MX chassis)
7003-416-1
Input / Output wiring junction box. Connects two to six three-phase MX45 cabinet outputs, neutral and ground to a common
output terminal block housed in a metal enclosure junction box. Can also be used to connect multiple MX chassis to common AC
input service. See section
3.13
for details.
7003-424-1
Output noise filter, 3 phases + neutral. May be used to reduce output noise of MX30 or MX45 when testing EUT’s for conducted
emissions. This is an external filter that attenuates the 250 KHz ripple frequency on the MX output by > 20 dB. The filter is
rated for 125A per phase and 800 Hz. For multi-box configurations, one filter is required per chassis. Connects to MX30 or
MX45 three-phase output terminal only.
7003-426-1
Output fuse box. Provides added protection for MX system configurations consisting of more than 2 MX cabinets. (MX135,
MX180, MX225 and MX270).
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