SAMWONTECH
1st Edition of TEMP880S IM : Sep. 21. 2005 Page 12 / 101
1.4.2.4 Wiring Ground Connection and Power Source
▶ Wire ground connection with cable thicker than 2
㎟ and ground connection resistance below 100Ω
▶ (over 3-type ground connection). Also, ground connection cable should be wired within 20m.
▶ Earth 1 point from ground connection terminal, and do not wire passing ground connection terminal.
▶ Use vinyl insulation wire(KSC 3304) or cable that has similar capacity for the power source wiring.
1.4.2.5 WIRING ANALOG INPUT
▶ Turn off the mainframe of Temp880S and external power source due to potential electric
▶ shocks.
▶ Use input wire that is adhere to shield. Also, shield should be done as 1point ground
▶ connection.
▶ Wire measuring input signal line leaving a space from the power circuit or ground
▶ connection circuit..
▶ Use wire that has little conduct resistance and doesn’t have resistance difference among
▶ three wires.
DC VOLTAGE INPUT
You must earth FRAME GROUND(FG).
Caution
100~240V AC
50/60Hz
Class 3 Ground
L
N
FG
+
-
TC
TEMP880S
INPUT
Class 3 Ground
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