■ Old style, suitable for: all hosts

■ Applicable to: all hosts, specific models such as TH10002, TH10003, TH17B01, etc.

■ Applicable to: hosts other than TH2818 /TH2819 /TH2828 series

■ Programmable

■ Voltage: 0-20VAC; 0-40VDC

■ Current: 0-100mA

■ Applicable to: TH2828 series

■ Applicable to: TH2818X series

■ Applicable to: all hosts

■ Programmable

■ Current: 0-1A

■ Suitable for: TH2829AX/2829BX/2829CX