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2 

RCB1200

 

O

VERVIEW 

 1 

C

ONFIGURATIONS AND 

O

RDERING 

I

NFORMATION 

 

3 

I

NSTALLATION 

N

OTES  

 

 

4 

T

HEORY 

O

F 

O

PERATION  

 

 

5 

I

NPUT 

M

ODULE 

O

PERATION  

   

 

7 

S

IGNALS  

  

 

10 

O

UTPUT 

M

ODULE 

O

PERATION  

  

 

12 

A

DVANCED 

O

UTPUT 

M

ODULE 

F

EATURES  

  

 

15 

O

UTPUT 

M

ODULES 

I

N 

S

ERIES  

  

 

18 

O

UTPUT  

I

N 

P

ARALLEL 

C

ONFIGURATION  

   

 

19 

M

ECHANICAL 

–

 

D

IMENSIONS 

A

ND 

M

OUNTING  

 

 

23 

M

ECHANICAL 

–

 

C

ONNECTORS 

A

ND 

P

INS 

A

SSIGNMENT 

 

24 

C

ONFIGURING 

Y

OUR 

P

OWER 

S

UPPLY  

 

 

25 

S

AFETY  

   

 

30 

EMC

 

C

OMPLIANCE  

  

 

31 

R

ELIABILITY  

 

 

32 

C

ONTENTS

 

DISTRIBUTED BY TEXIM EUROPE

Summary of Contents for RCB1200

Page 1: ...r to their respective output sections Each output section consist of four slots where can be plugged a 150 W fully isolated output module Each section offers as a standard a 5 V 200 mA isolated bias s...

Page 2: ...IGNALS 10 OUTPUT MODULE OPERATION 12 ADVANCED OUTPUT MODULE FEATURES 15 OUTPUT MODULES IN SERIES 18 OUTPUT IN PARALLEL CONFIGURATION 19 MECHANICAL DIMENSIONS AND MOUNTING 23 MECHANICAL CONNECTORS AND...

Page 3: ...and is a useful guide in identifying the optimal configuration for every application Output Module Nominal Voltage Rated current Voltage Adjustment Load Regulation Line Regulation OVP Output Power A 5...

Page 4: ...ng appropriately Avoid excessive back pressure in the general system or when using ducting to navigate hot air out of the system Earth terminal marking To comply with the requirements of UL60950 1 EN6...

Page 5: ...to an appropriate DC voltage whilst providing protection from AC line disturbances and preventing excessive EMI emissions and current harmonics The integrated EMI filters attenuate high frequency cur...

Page 6: ...fficient zero voltage switching circuits ZVS are used to drive the medically isolated transformers from the hold up capacitors The output modules of each section connect to their respective transforme...

Page 7: ...for typically 100 ms after the output modules have turned off Hold up For short line disturbances 20 ms the output voltages will not be affected However the ACOK signal may still go low to warn that...

Page 8: ...can be calculated using the following conditional equations Equation for line de rating If Vin 120 VRMS Pout Prated Line de rating factor Prated 1 0 0083 120 Vin Otherwise Pout Prated Equation for tem...

Page 9: ...Estimate the efficiency of an RCB1200 AABCDDDD at 160 VRMS input 100 W load on each output of the first section and 140 W on each output of the second section 1 Define load efficiencies for each outpu...

Page 10: ...conditions may cause one or both power supply s sections to latch off which will disable their 5V bias supply Over temperature of any stage of the section Over voltage on the correspondent output Int...

Page 11: ...provides four inhibit inputs to disable each of its output module individually and a fifth global inhibit input GINH to inhibit all modules of the correspondent section simultaneously Each inhibit inp...

Page 12: ...xcessive output voltages This is implemented as a fixed voltage threshold VOVP in the table above and if the output voltage exceeds this threshold the correspondent section of the power unit will be l...

Page 13: ...a function of the output voltage and maximum current for each module Full peak power is only possible when the output voltage is adjusted to VMAX and the maximum current is drawn from the module Note...

Page 14: ...type Transient Response The RCB1200 output modules have been especially designed to have high reliability and to achieve this all electrolytic capacitors have been eliminated from the design Due to th...

Page 15: ...nit off Alternatively by manually adjusting the output voltage to less than 1 3 rd of the OVP voltage ensures that OVP can never be tripped by remote voltage control Care must be also taken to ensure...

Page 16: ...on the current limit When using an output module as a modulated current source the output voltage should be manually adjusted to the maximum that will be required by the application and this will be...

Page 17: ...in each case An internal circuit measures the voltage between S to V and S to V when this voltage exceeds the thresholds specified in the datasheet the output voltage is reduced to benign levels Durin...

Page 18: ...anced V control and I control functions as described earlier However individual control of each module can be complex as the various control terminals are referenced to the positive output of the prec...

Page 19: ...inal of the second module 2 and adjust the second module 2 until the voltmeter reads 0 000 volts 4 Repeat step 3 for the remaining modules always using the positive terminal of the first module 1 as t...

Page 20: ...imately 6 of the maximum rated current for each module The current output signal Ictrl can still be used to measure the output current but it must be scaled by N where N is the number of paralleled mo...

Page 21: ...bly rated diode or controlled MOSFET must be used on each output to prevent a device failure from causing a system failure However the diode introduces voltage drops between the supply and the load th...

Page 22: ...xactly as with a stand alone module The same scheme applies when the output modules are paralleled across the two RCB1200 sections It is not recommended to use remote voltage current programming in no...

Page 23: ...4 00 mm max including chassis OUTPUT MODULES X 16 Screw type M3X5 C Sink Pozidriv Stainless steel Tightening torque Tighten to 0 65 Nm Penetration depth Defined by screw CHASSIS X 4 Screw type M3X5 C...

Page 24: ...2 1 J2 2 2 00 mm 0 079 in 12 circuits housing with locking ramp or any direct equivalent Crimp terminal 24 30 AWG gold finish or any direct equivalent Molex 0511101260 0503948051 Output Power J3 J4 Qu...

Page 25: ...the power supply Remove the unit from the system if there has been previously installed WARNINGS Leave the unit to stand for a minimum of 3 minutes after removing all power and other connections from...

Page 26: ...e the screws that hold an OP while leaving tightened BP s ones Step 4 Once all the screws that hold the OPs has been removed the next step is opening the lid by rotating it around the two pins that bi...

Page 27: ...s header must be plugged directly into the mating connector on the unit printed circuit board PCB To do so simply align the connector and push the OP properly down securing it in the notch at the back...

Page 28: ...re closing it To facilitate operations the BPs should be assembled before the OPs As evidence of power unit proper closing output modules PCBs must be properly housed in the notches and in the slots o...

Page 29: ...led by a tamper evident security label Removing it makes accessible high voltage parts exposing a operator to electric shock danger Any alteration affecting the label will void the warranty on the Pow...

Page 30: ...and technical personnel Always remove the power before handling the unit During operation the external surface of the unit can become hot Leave to stand for 10 minutes to allow the unit to cool down b...

Page 31: ...ld be separated as much as possible Output power and sense cables should be twisted pairs and routed parallel to each other Do not twist sense and power cables together All cables lengths and loop are...

Page 32: ...hours Reliability data is collected on an ongoing basis Please contact ROAL Electronics or your distributor for the most up to date reliability data or to get reliability prediction for a specificall...

Page 33: ...T 45 88 20 26 30 F 45 88 20 26 39 E nordic texim europe com Zuiderlaan 14 bus 10 B 1731 Zellik T 32 0 2 462 01 00 F 32 0 2 462 01 25 E belgium texim europe com Martin Kollar Strasse 9 D 81829 M nchen...

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