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|
7 p Z) {9 s+ y- c8 ^
2 |% |( E4 K2 z& i/ T: T
| Bonding impedance of P.C.E! k/ \) a0 q; o. c) m6 s z
| 6.5.1.39 r% h4 Y$ v" t. c# R) R) S. s2 _# s+ U
| 61010-1(ed.1);am1;am25 [ e2 [: k4 t) Q) ?! m7 D2 t
|
1 K, q' s9 d" o9 c8 S' ~
3 G6 K0 b+ K: P) M6 `Standard:
1 E5 @. B0 r& B3 e$ eIEC 61010-1:1990 +A1:1992 + A2, j2 T' P2 [8 z( K k
:1995) D7 _( Q$ Z: s3 G ~! c8 Q
Sub clause:8 V# G9 {5 `5 J+ Y8 _
6.5.1.3% V5 A$ U' ?( {9 _) i
Sheet n. 363
- A; K" p/ Y d @% i4 z0 w: cPage 1(1)- X7 ]3 e/ R8 u h1 d
Subject:) x% I( N6 `& ^
Bonding impedance of P.C.E3 P7 _" ]( a+ a9 ?3 ^
Key words:3 o2 ~& }% i; L, g- J
- Mains cord
, b4 v4 s4 t- B/ d: L& `9 b- Impedance2 t& v I) K3 h) R" I, g5 m7 k9 ^
decision taken by
+ a$ P8 x" N5 h* P9 k7 uETF3 and confirmed: M4 Q, @. `; ` A# D: r h
by CTL at its 38th' O8 e' c, ^/ ], @+ x- X
meeting, in Toronto
% B7 x# t$ O9 Z( ?3 C1 fQuestion:! B( r9 N1 h3 D
1. This clause specifies that the mains cord impedance does not form part of the specified
- p' ~/ N2 M8 G' i5 D9 O' Xbonding impedance. Dose this apply to cord connected products? If so, what about the
/ B8 `9 r4 w" A8 `5 Vimpedance of the cord?
' D0 I+ ^7 N+ z1 ~, m! i. r! u2. Should the resistance of interconnection cable between units of a system be disregarded' A. l! z" p: [" z |
like mains cable?
& Q3 u) T8 C. {3 i& P4 r' MDecision:
" Z( V2 n1 z. q2 a0 i2 u1.It was decided that the supply mains cord must be included in the measurement and that% @$ R1 N n' \/ o& T: t! E
the total limit must not exceed 0.2W.
) [2 L+ p8 k! e2. Furthermore, other interconnection cables (if any) must also be included in the
' _7 ]2 W! x& S8 J5 Q+ ]3 S. _measurements.+ \: S# P) y& m) C2 q
% y' V/ C4 x/ Q6 {7 i! z. k) o% v
: D5 B4 h: H1 ^/ Y& l! O6 x% {* p3 Y
& ]* g2 T# ^0 H8 S7 k1 i: i; q |
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