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SAMWONTECH
1.4.2.6 Control Output (Voltage pulse Output, Electric Present Output) and Wiring Transmission Output
Caution
▶ Turn off TEMP880 mainframe power and external power supply when wiring the control
output (SSR, SCR) and transmission output due to danger of electric shocks.
▶ Be careful with output polarity. Incorrect connection causes damage to the mainframe.
▶ Use output wire that has shield attached. Shield should be done as 1point ground
▶ connection.
Temperature(heating) Control Output Wire
(SSR/4~20mA)
Cooling Control Output Wire (SSR/4~20mA)
CONTROL
VALVE
CONTROL
VALVE
SHIELD
(ACTUATOR)
SHIELD
+
AOUT1+
-
AOUT1-
(ACTUATOR)
+
AOUT2+
-
AOUT2-
I/O1 BOARD
Class 3 Ground
SSR : 12V DC min, 600Ω min
SCR : 4~20mA DC min, 600Ω max
I/O1 BOARD
Class 3 Ground
SSR : 12V DC min, 600Ω min
SCR : 4~20mA DC min, 600Ω max
Transmission Output Wire (4~20mA)
Auxiliary Output Wire (4~20mA)
4~20 mA DC
600Ω max
4~20 mA DC
600Ω max
SHIELD
RECEIVER
(RECORDER)
SHIELD
+
RET1+
-
RET1-
RECEIVER
(RECORDER)
+
RET2+
-
RET2I/O1 BOARD
I/O1 BOARD
Class 3 Ground
1st Edition of TEMP880(Eng) IM : May. 12. 2005
Class 3 Ground
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