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W&T 17633, Руководство пользователя

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41

W&T

 

Digital-I/O Extender Sets

Subject to error and alteration

Digital-I/O Extender Set 8x8, Model 17634

Function

The W&T Digital-I/O Extender Set 8x8, Model 17634 enables  
sending of up to 16 digital I/O signals over a glass fiber optic 
cable. 

The set consists of two digital-I/O <> glass fiber optic  
converters and supports eight I/O channels in each direction. 
A special safety communications protocol between the  
converters is used for transmitting over the glass fiber optic 
cable, so that the converters can only be used in pairs. 

System security

The W&T Digital-I/O Extender Set 8x8 is a full hardware  
implementation, so that the risk of a malfunction caused by 
hidden firmware errors or a system crash is precluded. 

The functionality of the glass fiber optic connection is  
cycli cally monitored. The status of the connection is indicated 
by an LED and by a signal on a switching output. 

In addition, the default status of the digital outputs should 
the fiber optic line fail can be individually configured for each 
output.

Содержание 17633

Страница 1: ...Manual Digital I O Extender Sets Type 17633 17634 17635 Release 1 3 W T...

Страница 2: ...on Please inform us of any error or misunderstanding you come about so we can identify and eliminate it as soon as possible Carry out your work on or with W T products only to the extent that they are...

Страница 3: ...subject to the risk of severe weather conditions such as in outdoor locations or between distant buildings such a solution ensures a permanently reliable connection even under adverse conditions Wiese...

Страница 4: ...del 17634 41 Function 41 System security 41 Power Supply and Galvanic Isolation 42 Housing 42 Glass Fiber Interface and Digital I O Port 43 LEDs and terminations 44 Supply Voltage Input 44 Digital Inp...

Страница 5: ...Power Supply The signal converters are powered by an integrated switched regulator This regulator has a variable input voltage range and enables powering of the converters by using any DC or AC volta...

Страница 6: ...a wavelength of 820 nm Common 50 125 m or 62 5 125 m multimode duplex glass fiber optic cable is used which thanks to its wide use in networking is easily available and inexpensive This means that ev...

Страница 7: ...figuration of the interfaces can be found on the device label as well as in the following illustration I O Port Power Data TxD RxD Fiber Optic Port Outputs Vdd GND Inputs 1 2 1 2 Vcc AC DC Supply Volt...

Страница 8: ...he digital inputs of the Digital I O Extender Set 17633 are Type 3 according to IEC 61131 2 and have a maximum input voltage of 30V with respect to the device reference ground The lines to the digital...

Страница 9: ...utputs can switch a maximum current of 0 5A If loads with an inductive component e g relays contactors solenoids etc need to be switched the outputs must be additionally protected using recovery diode...

Страница 10: ...inside the unit Simply set the DIL switches for the corresponding in and outputs in both Digital I O Glass Fiber converters to ON The names of the DIL switches In1 In2 Out1 and Out2 can be found on t...

Страница 11: ...glass fiber cable Transmitter type LED Wavelength 820 nm Optical budget 50 125 m typ 9 6dB min 4 2dB 62 5 125 m typ 13 4dB min 8 0dB Maximum distance 50 125 m typ 3200m min 1400m 3dB km 62 5 125 m ty...

Страница 12: ...40 W T Digital I O Extender Sets...

Страница 13: ...he converters is used for transmitting over the glass fiber optic cable so that the converters can only be used in pairs System security The W T Digital I O Extender Set 8x8 is a full hardware impleme...

Страница 14: ...d GND Galvanic isolation The amount of galvanic isolation between the two converters and thereby between the I O end points is determined solely by the length of the fiber optic cable and the interfac...

Страница 15: ...which are intended for use in networks can be used for sending digital signals Depending on the attenuation factor of the glass fiber optic cable used data transmission over distances of up to 3800 m...

Страница 16: ...ower connectors and interface wiring can be found on the label and in the following illustration Input supply voltage The DC supply voltage is connected to Vdd and GND on the 6 pin terminal on the fro...

Страница 17: ...following illustration The digital inputs of the Digital I O Extender Set 17634 are Type 3 according to IEC 61131 2 and have a maximum input voltage of 30V with respect to the device reference ground...

Страница 18: ...nt of 0 5A If loads with an inductive component e g relays contactors solenoids etc need to be switched the outputs must be additionally protected using recovery diodes The outputs have thermal overlo...

Страница 19: ...ble break response whereby the status of the outputs when the fiber optic connection is interrupted can be set for each individual output The arrangement of the DIL switches and output can be found on...

Страница 20: ...m Duplex multimode glass fiber cable Transmitter type LED Wavelength 820 nm Optical budget 50 125 m typ 9 6dB min 4 2dB 62 5 125 m typ 13 4dB min 8 0dB Maximum distance 50 125 m typ 3200m min 1400m 3d...

Страница 21: ...een the converters is used for transmitting over the glass fiber optic cable so that the converters can only be used in pairs System security The W T Digital I O Extender Set 8x8 is a full hardware im...

Страница 22: ...d GND Galvanic isolation The amount of galvanic isolation between the two converters and thereby between the I O end points is determined solely by the length of the fiber optic cable and the interfac...

Страница 23: ...works can be used for sending digital signals Depending on the attenuation factor of the glass fiber optic cable used data transmission over distances of up to 20 km is possible Digital I O Port The D...

Страница 24: ...power connectors and interface wiring can be found on the label and in the following illustration Input supply voltage The DC supply voltage is connected to Vdd and GND on the 6 pin terminal on the fr...

Страница 25: ...following illustration The digital inputs of the Digital I O Extender Set 17635 are Type 3 according to IEC 61131 2 and have a maximum input voltage of 30V with respect to the device reference ground...

Страница 26: ...ent of 0 5A If loads with an inductive component e g relays contactors solenoids etc need to be switched the outputs must be additionally protected using recovery diodes The outputs have thermal overl...

Страница 27: ...ble break response whereby the status of the outputs when the fiber optic connection is interrupted can be set for each individual output The arrangement of the DIL switches and output can be found on...

Страница 28: ...glass fiber cable 9 125 m Transmitter type Class 1 Laser Product Wavelength 1310 nm Output power min 12dBm max 8dBm Receiver sensitivity max 22dBm Maximum input power max 3dBm Optical budget min 10dB...

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