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Remote TerminalMultiplexing is the method transmitting and receiving simultaneously more than one signal over a common circuit. As the distant increase between any transmitting and receiving point, the cost of multi-conductor cable with separate wire for each signal becomes very expensive to installation, maintenance and replacement, With multiplexing , a single wire pair can serve multiple transmitter and receiver, RTI16 RTO16 and RTAD are good application in with multiplexing could be used. There are Fac-talk Protocol for communicated with controller. Remote Terminal Input Remote Terminal Output Relay Driver (Option)
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Model |
RTI16 |
RTO16 |
RTAD |
| Points / Module | 16 Points Digital Input | 16 Points Digital Output | 4 Point Analog Input, 2 Point Analog Output |
| Digital Input Signal | Dc. Voltage Source , active Low | -- | -- |
| Digital Output Signal | -- | Transistor, Open Collector NPN Type | -- |
| Analog Input & Output Signal | -- | -- | 0 to 10 Vdc. OR 4 to 20 mA. 8 Bit resolution |
| Isolated Circuit | Opto isolators | Opto isolators | Opto isolators |
| Relay Output | -- | Option (RLY16) | -- |
| Communication | RS232c/RS485 | RS232c/RS485 | RS232c/RS485 |
| Maximum Module in the system | 16 Module | 16 Module | 16 Module |
| Fac-talk Protocol | Yes | Yes | Yes |
| Installation | Rail rack | Rail rack | Rail rack |
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Dimension (W*L*H) mm. |
125*136*29 | 125*136*29 | 125*136*29 |
| Power Supply | 24 Vcd. , 1A. | 24 Vdc. , 1A. | 24 Vdc. , 1A. |
Application
There are two applications of RTI16 & RTO16, First PLC & RTI16-RTO16 , PLC is controller installation at local area and distributed RTI16-RTO16 to anywhere, another one used computer control (see below diagram). The distance between controller with end of remote terminal are less than 500 meter and 32 maximum station can be used in both application.
PLC & RTI/O system
Computer & RTI/O system
| Information
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RTI16
