MST-MHT SERIES 071320
2-11
FIGURE 2-5. OUTPUT IMPEDANCE VS. FREQUENCY
A practical model for a voltage-stabilized Power Module includes a series inductance represent-
ing d-c and low frequency source impedance. Load leads should have minimum voltage drops
(error sensing discussed in PAR. 2.10 below) and minimum inductance (error sensing does not
compensate for this). Similarly a model for a current stabilized Power Module includes a parallel
capacitor representing the d-c and low frequency source impedance. These considerations are
important if:
•
The load is constantly changing value.
•
The load is switched “on” and “off.”
•
The output of the Power Module is step programmed.
•
The load is reactive.
•
Dynamic output response of the Power Module is of concern.
2.9
CONNECTION, GENERAL
All input and output connections between the Power Module and RA 55H Rack Adapter are
made automatically when the Power Module is fully seated in a Rack Adapter slot. Refer to the
Rack Adapter Instruction Manual for instructions on connecting RA 55H output connectors to
the load, a-c input power, and control signals.
The d-c output connector, labeled DC OUTPUT, is located on the back of chassis (Figure 2-6).
Adapter Kit 219-0618 is must be installed on the DC Output Connector at the rear of the chassis
to meet the all specifications listed in Table 1-1. For the DC Output Connector pin designations
on MST-MHT units via Adapter Kit 219-0618 refer to Table 2-5 and Figure 2-6.
Summary of Contents for MST 100-2MHT
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