Yudian AI Series Operating Instructions

4
D7 multi-channel temperature controller
Wiring diagram
Power Base Terminals
Terminal 1~2: Power 100~240VAC or 24VAC/DC
Terminal 4~5: RS485 communication.
Instrument Terminals
Terminal 5~8: Positive poles of 4 SSR voltage
outputs
Terminal 9~10: Positive poles of AL1 and AL2
SSR alarm outputs.
Terminal 11~12: Negative poles of AL1 and AL2
SSR alarm outputs.
The specification of SSR outputs is 12~16VDC/20mA
with short-circuit protection.
Terminal 13,14,17,18: Positive poles of 4
thermocouple inputs
Terminal 15,16,19,20: Negative poles of 4
thermocouple inputs
E7 multi-channel temperature controller
Wiring diagram
Terminal 3~4: Power 100~240VAC or 24VAC/DC
Terminal 5~8: Positive poles of 4 SSR voltage outputs
Terminal 9~10: Positive poles of AL1 and AL2 SSR alarm outputs.
Terminal 11~12: Negative poles of AL1 and AL2 SSR alarm
outputs.
The specification of SSR outputs is 12~16VDC/20mA with
short-circuit protection.
Terminal 13,14,17,18: Positive poles of 4 thermocouple inputs
Terminal 15,16,19,20: Negative poles of 4 thermocouple inputs
Terminal 23~24: RS485 communication.

Yudian AI Series Specifications

General

Control Mode	On/Off
Input Type	Thermocouple (K, S, T, E, J, B, N), RTD (Pt100, Cu50), Linear Current (4-20mA), Linear Voltage (0-5V, 1-5V)
Output Type	Relay, SSR, Linear Current (4-20mA)
Power Supply	AC 90-260V, 50/60Hz or DC 24V
Communication	RS485 Modbus RTU
Accuracy	±0.2%FS
Operating Temperature	0-50°C
Storage Temperature	-20-60°C
Humidity	85% RH (non-condensing)
Protection	IP65 (Front Panel)