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2-2

HSMSERIES OPR 052912

FIGURE 2-2.    HSM SERIES REAR PANEL CONNECTIONS

TABLE 2-2.  I/O CONNECTOR PIN ASSIGNMENTS

PIN NO.

NAME

DESCRIPTION OF FUNCTION

REF. PAR.

  1

  X

NO CONNECTION

  2

  X

NO CONNECTION

  3

FFS-1

FAN STATUS - NORMALLY CLOSED CONTACT

3.14

  4

ACS-C

SOURCE POWER STATUS - COMMON CONTACT

3.14

  5

ACS-2

SOURCE POWER STATUS - NORMALLY CLOSED CONTACT

3.14

  6

  X

NO CONNECTION (SEE NOTE 1)

  7

 RC2

REMOTE INHIBIT - NORMALLY LOW INPUT (SEE NOTE 2)

3.12

  8

 RC1

REMOTE INHIBIT - NORMALLY HIGH INPUT (SEE NOTE 2)

3.12

  9

  X

NO CONNECTION (SEE NOTE 1)

 10

  X

NO CONNECTION

 11

OTS-C

OVERTEMP STATUS - COMMON CONTACT

3.14

 12

PSS-C

OUTPUT STATUS - COMMON CONTACT

3.14

 13

PSS-2

OUTPUT STATUS - NORMALLY CLOSED CONTACT

3.14

 14

ISHARE

LOAD SHARE SIGNAL BUS (0-5.5V) (SEE NOTE 3)

2.7.6

 15

IPROG

ANALOG PROGRAMMING INPUT - CURRENT (0-10V) (SEE NOTE(3)

3.5

 16

  X

NO CONNECTION

 17

VRP-1

RESISTIVE PROGRAMMING INPUT (0-10K)

3.3

 18

VPROG

ANALOG PROGRAMMING INPUT - VOLTAGE (0-10V) (SEE NOTE 3)

3.3

 19

 -S

NEGATIVE ERROR SENSE INPUT

2.7.5

 20

  X

NO CONNECTION

 21

FFS-2

FAN STATUS - NORMALLY OPEN CONTACT

3.14

 22

FFS-C

FAN STATUS - COMMON CONTACT

3.14

 23

ACS-1

SOURCE POWER STATUS - NORMALLY OPEN CONTACT

3.14

 24

  X

NO CONNECTION (SEE NOTE 1)

 25

AUXRTN

AUXILIARY SUPPLY RETURN (SEE NOTE 2)

3.11

 26

5VAUX

AUXILIARY SUPPLY OUTPUT

3.11

 27

  X

NO CONNECTION (SEE NOTE 1)

 28

  X

NO CONNECTION

 29

OTS-2

OVERTEMP STATUS - NORMALLY OPEN CONTACT

3.14

 30

OTS-1

OVERTEMP STATUS - NORMALLY CLOSED CONTACT

3.14

 31

PSS-1

OUTPUT STATUS - NORMALLY OPEN CONTACT

3.14

 32

IMON

ANALOG OUTPUT CURRENT MONITOR (0-5.5V) (SEE NOTE 3)

3.13

 33

ISET

CURRENT LIMIT SETPOINT MONITOR (0-10V) (SEE NOTE 3)

3.7

 34

  X

NO CONNECTION

 35

VRP2

RESISTIVE PROGRAMMING INPUT - VOLTAGE (0-10K)

3.3

 36

VSET

OUTPUT VOLTAGE SETPOINT MONITOR (0-10V) (SEE NOTE 3)

3.7

 37

 +S

POSITIVE ERROR SENSE INPUT

2.7.5

NOTES (1) THESE PINS ARE LEFT BLANK TO PROVIDE VOLTAGE ISOLATION BETWEEN OUTPUT  AND 5V AUX SUPPLY 

WHICH POWERS THE REMOTE INHIBIT CONTROL CIRCUITRY.

(2) THESE SIGNALS ARE REFERENCED TO AUXRTN (PIN 25).
(3) THESE SIGNALS ARE REFERENCED TO -S (PIN 19).

Содержание HSM 12-84

Страница 1: ...n New York 718 461 7000 requesting the correct revision for your particular model and serial number 3 The contents of this manual are protected by copyright Reproduction of any part can be made only w...

Страница 2: ......

Страница 3: ...7 Wiring Instructions 2 4 2 7 1 Safety Grounding 2 4 2 7 2 Source Power Connections 2 4 2 7 3 D C Output Grounding 2 5 2 7 4 Power Supply Load Interface 2 5 2 7 5 Load Connection General 2 6 2 7 5 1 L...

Страница 4: ...d II Remote Error Sensing 2 8 2 5 Load Connection Method III Series Connection 2 9 2 6 Load Connection Method IV Parallel Redundant Operation wit Hot Swap 2 10 3 1 External Resistance Programming of O...

Страница 5: ......

Страница 6: ...iii Blank iv HSMSERIES OPR 052912 FIGURE 1 1 HSM SERIES POWER SUPPLY...

Страница 7: ...ilures fault detection circuitry monitors performance of the output and critical internal functions providing both visual and electrical indi cators A switch selectable current walk in circuit and opt...

Страница 8: ...output conditions may result in increased output ripple and increased transient response recovery time Output Voltage Range See Table 1 1 Regulation Error Source Effect 0 1 over full source voltage ra...

Страница 9: ...AR 3 11 Voltage Set Programming Mode selected by internal switches See Note 6 See PAR 3 3 Internal Multiturn pot External 1 Resistance 0 50K External 2 0 10V 500 A max Current Limit Programming Intern...

Страница 10: ...1 4 HSMSERIES OPR 052912 FIGURE 1 3 OUTLINE DRAWING...

Страница 11: ...gnals which display programmed output voltage and current limit values These signals are available at the I O connector VSET and ISET Signals are referenced to negative error sense see PAR 3 7 1 4 4 R...

Страница 12: ...er must provide wiring and heat sink One diode required for each power supply See PAR 2 7 5 3 May also be used as optional external blocking diode for redundant applications See PAR 2 7 5 4 124 0601 U...

Страница 13: ...ATIONS AND CONTROLS a Output and Configuration Controls Refer to Figure 2 1 and Table 2 1 b Rear Panel Refer to Figure 2 2 and Table 2 2 FIGURE 2 1 HSM SERIES OUTPUT CONTROLS AND CONFIGURATION SWITCH...

Страница 14: ...NPUT VOLTAGE 0 10V SEE NOTE 3 3 3 19 S NEGATIVE ERROR SENSE INPUT 2 7 5 20 X NO CONNECTION 21 FFS 2 FAN STATUS NORMALLY OPEN CONTACT 3 14 22 FFS C FAN STATUS COMMON CONTACT 3 14 23 ACS 1 SOURCE POWER...

Страница 15: ...s 1 THE POWER SUPPLY WILL NOT OPERATE UNLESS THE REMOTE SENSE LINES ARE PROPERLY CONNECTED TO THE OUTPUT TERMINALS Connect the remote sense ter minals to the output bus bars using the mating I O Conne...

Страница 16: ...al as the interface between other types of electronic equip ment If optimum performance is expected certain rules for the interconnection of source power supply and load must be observed by the user T...

Страница 17: ...lection requires a combination of analysis good judgement and some amount of empirical testing If there is a choice in selecting either the positive or negative output of the power supply for the d c...

Страница 18: ...compensate for reactive effects due to this These dynamic conditions are especially important if the load is constantly modulated or step programmed or has primarily reactive characteristics or where...

Страница 19: ...pply output the regulation loop is essentially unaffected by the impedances presented by the load interconnec tion scheme The main disadvantage is that it cannot compensate for losses introduced by th...

Страница 20: ...als directly to the load will compensate for voltage drops in the load interconnection scheme see Specifications for available headroom based on model the termination point of the error sensing leads...

Страница 21: ...his is NOT the same as the blocking diode used for parallel redundant operation Selection of the clamping diode is entirely dependent upon output volt age current parameters The clamping diode must be...

Страница 22: ...or output blocking diodes and utilize active current sharing circuitry to distribute the load current equally among the paralleled units Redundant operation is achieved by paralleling one or more powe...

Страница 23: ...nearly as possible emulate a single large power supply To this end the following rules apply a If possible remote error sensing should be employed with all error sensing connections ter minated at th...

Страница 24: ...n ments it is recommended that a shielded cable be used with the shield terminated to the sys tem s single point ground a Remote Error Sense Twist positive and negative error sensing lines pins 37 19...

Страница 25: ...up to 0 25V drop in each power lead 0 5V total while 12V through 48V models provide for up to 0 8V drop in each lead 1 6V total The remote error sense leads must be connected to the output power termi...

Страница 26: ...0 2 or for limiting the maximum programmable voltage Operation of range selector is as follows a High Range This is the factory set default mode the maximum programmable output volt age is 110 of nom...

Страница 27: ...AR 3 5 for precise limit adjustment or for limiting the maximum programmable current limit Operation of the range selector is as follows a High Range This is the factory set default mode the maximum p...

Страница 28: ...ip level is preset at the factory for 130 of the nominal output voltage see Table 1 1 however this level can be adjusted from 100 to 140 of the nominal output except Model HSM 48 21 which can be adjus...

Страница 29: ...ge this operating mode is maintained indefinitely and recovery to voltage regulation mode is automatic upon reduction of the output current below the current limit point This mode is ideal for high po...

Страница 30: ...URRENT WALK IN CHARACTERISTIC 3 11 5VAUX FLOATING SUPPLY HSM power supplies are equipped with an internal auxiliary supply which provides 5V at loads up to 100mA It is derived from the internal coolin...

Страница 31: ...es results in an immediate shutdown of the output PWM regulator including reset of the soft start undervoltage and current walk in circuits Operation is inhibited until the appropriate control line is...

Страница 32: ...ilable to sustain rated output for normal operation These signals indicate a fault condition until the bulk voltage is greater than 390V d c Once the bulk voltage reaches 390V d c indicating that the...

Страница 33: ...ying less than 70 of the current required by the circuit as indicated by the load sharing signal while the output voltage is within specification limits A fault condition is not generated for a combin...

Страница 34: ...nerated in the event that either the input or output module heatsink temperature rises above a safe operating level output regulator shutdown occurs simultaneously Recovery occurs automatically upon r...

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