New advanced module technology
1.3.1.Electric isolation among modules: There are built-in power supply unit which is a group of 24V and
12V. They are isolated to the main circuit. The 24V power usually supplies voltage output module, such as
V24/V12/V10, I4 and I5. The 12V power usually supplies output or communication module. Generally
speaking, the relay contact output, TRIAC no contact discrete output and SSR voltage output are
self-insulated. Only the electric isolation between the communication interface and the current output needs
to be pay attention. Those modules, for example, S (RS485 communication interface), R (RS232
communication interface) and X3 (linear current output) all require 12V power supply. If more than one of the
above modules are installed, in order to be electric isolated, only one of them can be module without electric
isolation. The other modules must be S4 or X4, which has its own isolated power supply. For example, if
an X3 module is installed in OUTP (main output) socket, S4 or X5 module is recommended to be installed in
COMM (communication interface) socket, instead of S or X3.
1.3.2.Long life No contact triac switch module : W1 and W2 are new types of no contact switch module
which apply the advanced technology of “burn proof” and zero crossing conduction. It can replace the
relay contact switch. Compared to the relay contact output module, W1 and W2 have longer life and lower
interference. They can largely lower the interference spark of the equipment, and greatly improve the
stability and reliability of the system. Since the driver element is TRIAC, it is suitable for controlling
100-240VAC (not for DC power) with current up to 80A. For the current larger than 80A, an intermediate
relay is needed.
1.4 Mentinance
Annually there will be one time examination for all AI instruments’s quality. If the control accuracy is too
low,usually it’s due to over wet or dust. Clean and clearance is needed. Time won’t influence the accuracy of
AI intruments,so don’t try to change parameter by changing Sc parameter. If problem happens, please
return to YUDIAN factory.
AI controllers are default with 60 days warranty after the data of departure factory.During this period,
free repair is available. Please write down clearly the problem you meet and returns so that can get faster
and correct mentinance.
Any question,you can call at 800-858-2033 free for after sales service.
2. TECHNICAL SPECIFICATION
Input type:
Thermocouple: K, S, R, T, E, J, N, WRe3-WRe25, WRe5-WRe26
Resistance temperature detector: Cu50, Pt100
Linear voltage: 0～5V, 1～5V, 0～1V, 0～100mV, 0～60mV, 0～20mV, etc.; 0～10V if module I31 is
installed on MIO socket.
Linear current (external install I4 module on MIO): 0～20mA, 4～20mA
Extended input is avaliable
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