Siemens TRAFFIC CONTROLS TC12 사용자 설명서

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TC12 Installation, Commissioning & Maintenance Handbook 
Cabinet Side Cover stud left hand side 
Cabinet Side Cover stud right hand side 
Cabinet Top Cover 
abinet rear door 
D Panel 
minium plate behind the master switch panel). 
ains socket panel at the front of the cabinet 
should be checked 
ase of power supply on every PSU Board Installed. 
Volt rail on the PSU PCB of every TC12 rack installed in the cabinet The 0 Volt rail 
r position of this 
CB. 
ll earthed points on any other equipment which may have been included in the 
 after the on site earth continuity test, any rack or panel is removed or replaced, 
2.3.1.7  Insulation Resistance Test Procedure 
ld take care that they do not come into contact with the high 
voltages generated by the Test Instrument. 
00 V DC. 
ake Sure that the Instation is not connected to the mains, but that all fuses are in 
place, all switches are on (i.e. master Switch and Switches for front and rear mains 
etc. are in place. 
Connect the LIVE
C
Metal Part of front door along hinged side 
SIP Panel 
IM
Master Switch Panel at the rear of the cabinet 
Master Switch panel cover (alu
M
Any installed 19" racks - both left and right mounting flanges 
PC Mounting metalwork 
C
is accessible at terminal pin TP7 on the PSU PCB, see Figure 7 fo
terminal pin on the P
A
cabinet. 
 
If
then the earth continuity check to that item should be repeated. 
 
SAFETY NOTE 
Personnel shou
 
Set the insulation meter to 10
M
socket panels) and that all PCBs 
 and NEUTRAL of the Instation mains wire together. 
e Instation mains wire EARTH
Connect the meter to measure between th
 and the 
c
E
ombined LIV  and NEUTRAL. 
  
  
ing to s
 
  
h
 
  Once the Instation has 
be repeated unnecessa
 
ARNING Mains filters may 
tests have been co
 
     
    Allow the meter read
 The insulation resistance s
ettle during the test. 
   
ould be not less than 10 MOhm. 
Note
passed the Insulation resistance test it should not 
rily as the mains filters may be damaged. 
W
remain charged for some time after the insulation 
mpleted. 
666/HE/43100/000  
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Issue 9