Hanyoung TH500 Manual page 15

2.4.4 Connection method
• Grounding needs more than 2 ㎜ 2 wire at least the 3rd class grounding
connection (Grounding resistance : less than 100 Ω).
• Please use input signal wire and output wire with shield and the shield
needs to have one point grounding.
• In case of R.T.D input, please connect 3 wires without resistance difference
among three wires.
• Please connect Input, Output signal wire separately from power line.
• In case of current input, please attach resistance 250 Ω 0.1 % at the end
of input terminals and use it accordingly.
● Sensor Input
■ RTD Input
● Connection of Temp / Humidity control output and retransmission output
■ Connection of Temp / Humidity control output
SSR or SCR
■ DC voltage input
■ Temp / Humidity retransmission output
r
16
■ DC current input
recorder,
indicator and etc