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2 F4 C% ` `: A2 _3 h O9 s6 [7 z
6 h! B" f2 ^7 Q% C- {
| Bonding impedance of P.C.E+ r2 [0 @; c5 w' R5 e& ]2 T- C
| 6.5.1.3& K) i& X$ v; P, N/ i# F
| 61010-1(ed.1);am1;am2- c' X) x: H V) C' q3 z3 p
|
0 ?$ t, C: V' j) h9 Z1 o6 W/ G' q! C7 `8 g
Standard:0 a# `3 P( z: G5 t0 {+ I
IEC 61010-1:1990 +A1:1992 + A2, z3 S: w% `, b3 k& [) ?
:1995
! W+ V8 [4 E+ U) ]8 `; bSub clause:
0 f$ ]8 j0 T6 H$ p4 F3 r6.5.1.3% z) f$ }6 g$ d9 I+ w
Sheet n. 363& V" o" h8 ~4 e: b
Page 1(1)
" Z! C* K4 [) wSubject:
. U8 k) M7 B! O& N# l) ~* wBonding impedance of P.C.E
# J) S# o G& O4 q' @Key words:0 B c' \% h7 o$ ]$ d, K, w) D
- Mains cord0 P3 A2 m4 \* A$ b
- Impedance
! x5 ]1 ~3 v8 e+ l' u/ |4 r. j3 L: wdecision taken by* E8 {! n6 [5 D |2 J
ETF3 and confirmed3 N3 [1 w9 C, {9 s
by CTL at its 38th* A% D( f, W8 i! C0 z. w
meeting, in Toronto3 ^4 Q1 N- z0 G
Question:4 r5 B$ p$ }& \( j5 u: n9 }
1. This clause specifies that the mains cord impedance does not form part of the specified
0 T' |' j4 c! @5 y) ~2 Tbonding impedance. Dose this apply to cord connected products? If so, what about the
( o1 ~" E/ {) u. c2 l6 U! zimpedance of the cord?# |) a6 l% S+ ]. d' m
2. Should the resistance of interconnection cable between units of a system be disregarded
: q/ F+ m! |8 \9 }# q) K3 f9 Wlike mains cable?+ `" T* S4 ~( F2 ~! o( _) }" N
Decision:8 y2 _9 ?# R* ]' w* X
1.It was decided that the supply mains cord must be included in the measurement and that
5 D' B* X' O# E1 P* J% u- H( ]the total limit must not exceed 0.2W.3 I9 {0 V) q( x( i0 d+ _: L5 N( b. }
2. Furthermore, other interconnection cables (if any) must also be included in the
+ e1 F+ B9 a( I: k$ E, ]$ {measurements./ V$ b; T* { R# Z' R1 `
7 u) U: s' \1 z: E" b7 t5 @- z V6 `+ ]5 E6 a, J: }
7 X& R w5 L( \; b+ H |
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