User Manual – Rev BE AMETEK Programmable Power
MX Series 74
The Clock and Lock BNC connectors located on the rear panel are used to
synchronize and control the phase shift between the three outputs when 3 units
are operating as a three-phase clock and lock system. This mode of operation
requires the -LKM (on Master unit) and -LKS (on Auxiliary units) options. See
paragraph 3.10 for more information on this mode of operation.
A set of two identical System Interface connectors, P8 and P9 is located on the
rear panel of each MX chassis. The system interface is used to connect the
multiple MX30 or MX45 power sources in a Master/Auxiliary configuration to
create MX60, MX90 or MX135 models. In these configurations, only the Master
MX30 or MX45 power source has a built-in controller and front panel.
The same connector is also used to control the optional OMNI-3-75 Reference
Impedance.
1
OUTP: Output ON. Controls state of output relay
2
N/ C
3
N/ C
4
N/ C
5
COM: Common. Signal return.
6
OT: Over temperature. Indicates over temperature condition.
7
N/ C
8
CLB: Current Limit B. Programmed current limit reference for phase B
9
CS A: Current Sum Phase A
10
CSC: Current Sum Phase C
11
FLT A: Amplifier Fault Phase A
12
FLT C: Amplifier Fault Phase C
13
XFMR: Optional voltage range select. (-HV o r -XV option)
14
P ARALLEL: Parallel operation control.
15
I NPUT ON: Input power status
16
A ERR LO: Error Signal Phase A, low
17
B ERR HI : Error Signal Phase B, high
18
N/ C
19
C ERR LO: Error Signal Phase C, Low
20
300 VRNG: 300 V AC Range Select
21
COM: Common. Signal return.
22
/ REM OFF: Remote Off Control not
23
COM: Common. Signal return
24
F LK/ B YP : Flicker / Bypass OMNI control
25
/ OVL: Overload not
26
CLA: Current Limit A. Programmed current limit reference for phase A
27
CLC: Current Limit C. Programmed current limit reference for phase C
28
CSB: Current Sum Phase B.
29
N/ C
30
FLT B: Amplifier Fault Phase B
31
N/ C
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