Moxa TCF-142-S-ST-T Bedienungsanleitung

Moxa Nicht kategorisiert TCF-142-S-ST-T

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TCF-142 Series
Serial to Fiber-optic Converter
Quick Installation Guide
Ninth Edition, April 2008
1. Overview
Introduction
TCF-142 series (Rev. 3.1 or later) converters are equipped with a multiple
interface circuit that can handle RS-232, RS-422, and RS-485 serial
interfaces, as well as multi-mode or single-mode fiber. TCF-142
converters are used to extend serial transmission distance up to 5 km
(TCF-142-M, with multi-mode fiber) or up to 40 km (TCF-142-S, with
single-mode fiber). The TCF-142 must be configured to transmit a
particular serial interface. You cannot transmit both RS-232 and RS-485
signals at the same time.
Why Convert Serial to Fiber?
Fiber communication not only extends the communication distance, but
also provides many advantageous features.
IMMUNITY FROM ELECTRICAL INTERFERENCE: Fiber is not
affected by electromagnetic interference or radio frequency interference.
It provides a clean communication path and is immune to cross-talk.
INSULATION: Optical fiber is an insulator; the glass fiber eliminates the
need for using electric currents as the communication medium.
SECURITY: Fiber cannot be tapped by conventional electric means and
is very difficult to tap into optically.
RELIABILITY & MAINTENANCE: Fiber is immune to adverse
temperature and moisture conditions, does not corrode or lose its signal,
and is not affected by short circuits, power surges, or static electricity.
Reverse Power Protection
The Reverse Power Protection feature provides extra protection against
accidentally connecting the power cables to the wrong terminal. The
converter automatically detects which power wire is positive and which is
negative.
Ring Mode
To allow one half-duplex serial device to communicate with multiple
half-duplex devices connected to a fiber ring, you should configure the
TCF-142 for “ring mode” by setting DIP switch “SW4” to the “On”
position. The Tx port of a particular TCF-142 unit connects to the
neighboring converter’s Rx port on the ring. Note that when one
node transmits a signal, the signal
travels around the ring until it
returns back to the transmitting unit,
which then blocks the signal. Users
should ensure that the total fiber
ring length is less than 100 km
when using either single-mode
models (TCF-142-S) or multi-mode
models (TCF-142-M).
ATTENTION
For Fiber Ring Users:
To avoid problems when setting up a fiber ring, each TCF-142 unit
making up the ring must be powered down and set to “Ring mode.” Next,
make sure all cables are connected properly, and then power up all
devices connected to the ring. After powering up the TCF-142 units, if
the Rx LEDs of the converters are ON continuously, power down and
then power up ONE of the TCF-142 units in the ring to return the
network to normal operation.
NOTE “Ring Mode” can only be used with half-duplex applications
(i.e., RS-485 multi-drop communication).
DIP Switch Selectable Terminator
The TCF-142’s termination resistor is set with a DIP switch located on
the outside of the converter’s casing.
No Configuration Required for Baudrate Settings
The TCF-142 is compatible with any baudrate from 300 bps to 921.6
Kbps. The TCF-142 automatically converts the signal back and forth
between serial (RS-232, RS-422, or RS-485) and fiber, and does not need
to interpret the signal or the baudrate of the transmitting device. For this
reason, the TCF-142 does not have any DIP switches or jumpers for
setting the baudrate.
2. Features
y “Ring” or “Point to Point” transmission
y Extend RS-232/422/485 transmission distance:
> up to 40 km with single-mode—TCF-142-S Series
> up to 5 km with multi-mode—TCF-142-M Series
y Compact size
y Decrease signal interference
y Protect against electronic degradation and chemical corrosion
y Supports baudrates up to 921.6 Kbps
y Extended operating temperature from -40 to 75°C (for “T” models)
3. Package Checklist
Before installing the TCF-142, verify that the package contains the
following items:
y TCF-142 Fiber Converter
y Quick Installation Guide
y 7-contact terminal block connector
y 3-contact terminal block connector
NOTE: Please notify your sales representative if any of the above items
are missing or damaged.
4. Dimensions and Appearance
TCF-142 fiber converters are easy to set up and use. The serial terminal
block of one of the converters connects to your computer, the serial
terminal block of the other converter connects to your serial device, and
the two converters are connected by fiber cable(s).
NOTE
Electrostatic Discharge Warning!
To protect the product from damage due to electrostatic
discharge, we recommend wearing a grounding device when
handling your TCF-142.
TCF-142-M/S-ST TCF-142-M/S-SC
)ni 59.3( mm 4.001
22.0 mm
(0.87 in)
21.3 mm
(0.8 in)
42.3 mm (1.67 in) 67 mm (2.64 in)
78 mm (3.07 in)
12.5 mm
(0. 49 in)
)ni 89.0( mm 52
O 6 mm
(0. 24 in)
O 4 mm
(0. 16 in)
O 7 mm
(0. 28 in)
ON
1 2 3 4
67 mm (2.64 in)
78 mm (3.07 in)
12.5 mm
(0. 49 in)
)ni 89.0( mm 52
O 6 mm
(0. 24 in)
O 4 mm
(0. 16 in)
O 7 mm
(0. 28 in)
90.2 mm
(3.55 in)
67 mm
(2.64 in)
22.0 mm
(0.87 in)
ON
1 2 3 4
5. Wiring Examples
Connecting the Power Supply
Before using the TCF-142, first connect the DC power supply to the
power supply terminal block located on the TCF-142’s bottom panel.
DC
Power
Supply
RS-422/485
Rx
Tx
V - V -
V+ V+
GND GND
TCF-142
P/N: 1802001420618
— 4 — — 5 — — 6 —
Connecting RS-422 and 4-wire RS-485 Serial Devices
PC
RS-422/485
Rx
Tx Rx
Tx
RS-422/485
Tx-
Tx+
Rx-
Rx+
GND
R-
R+
T-
T+
GND
TCF-142
TCF-142
Serial
Device
T-
R+
R-
GND
T+
Rx-
Tx+
Tx-
GND
Rx+
Copper CopperFiber
Connecting 2-wire RS-485 Serial Devices
PC
RS-485
Rx
Tx Rx
Tx
RS-485
GND
Data-
Data+
GND
D-
D+
TCF-142
TCF-142
Serial
Device
D-
GND
D+
Data-
GND
Tx-
GND
Data+
Copper CopperFiber
Connecting an RS-232 Serial Device to a PC
PC
Tx
Rx
GND
Copper CopperFiber
RS-232
Rx
Tx Rx
Tx
GND
Rx
Tx
RS-232
Tx
GND
CTS
RTS
DSR
DTR
Rx
Tx
Rx
CTS
RTS
DSR
DTR
GND
TCF-142
TCF-142
Serial
Device
6. Switch Settings
Serial Connection SW1 SW2
RS-232 ON OFF
RS-422 OFF OFF
RS-485 4-wire OFF OFF
RS-485 2-wire OFF ON
Built-in 120 Ω
Terminator SW3
Enable ON
Disable OFF
SW4
Ring mode ON
Point to Point mode OFF
Two additional DIP switches (SW1 and SW2) are located inside the
TCF-142. These switches are used to configure the pull high/low resistors.
Note that SW1 and SW2 must both be configured to ON or both must be
configured to OFF.
TCF-142-M/S-SC TCF-142-M/S-ST
Pull High/Low Resistor SW1* SW2*
150K (default) OFF OFF
1 K ON ON
* These DIP switches are located inside the TCF-142.
NOTE We recommend setting SW1 and SW2 to the 1 K option
(ON/ON) when termination is enabled.
7. LED Description
There are 3 LEDs on the front panel of the TCF-142.
LED Color Function
PWR Red Steady ON: Power is ON
Fiber Tx Green Blinking when fiber is transmitting data
Fiber Rx Orange Blinking when fiber is receiving data
8. Specifications
Model Names TCF-142-M-ST
TCF-142-M-SC
TCF-142-S-ST
TCF-142-S-SC
TCF-142-M-ST-T
TCF-142-M-SC-T
TCF-142-S-ST-T
TCF-142-S-SC-T
Serial Communication
Signals for RS-232 TxD, RxD, SGND
Signals for RS-422 TxD+, TxD-, RxD+, RxD-, SGND
Signals for 4-wire RS-485 TxD+, TxD-, RxD+, RxD-, SGND
Signals for 2-wire RS-485 Data+, Data-, SGND
Baudrate 300 bps to 921.6 Kbps
Surge protection 15 KV ESD
Fiber Communication
Connector type ST or SC
Distance TCF-142-S series:
Single mode fiber for 40 km
TCF-142-M series:
Multi mode fiber for 5 km
Cable Specifications TCF-142-S series:
8.3/125, 8.7/125, 9/125 or 10/125 ÎĽm
TCF-142-M series:
50/125, 62.5/125, or 100/140 ÎĽm
Wavelength TCF-142-S series: 1310 nm
TCF-142-M series: 850 nm
TX Output TCF-142-S series: > -5 dBm
TCF-142-M series: > -5 dBm
RX Sensitivity TCF-142-S series: -25 dBm
TCF-142-M series: -20 dBm
Point-to-Point
Transmission
Half or Full duplex
Multi-drop Transmission Half duplex, fiber ring
Environmental Limits
Operating Temperature 0 to 60°C (32 to 142°F), 5 to 95 % RH
Extended Operating
Temperature (T models)
-40 to 75°C (-40 to 167°F)
Storage Temperature -20 to 85°C (-4 to 185°F), 5 to 95 % RH
Power
Input Power Voltage 12 to 48 VDC
Power Line Protection 1 KV Burst (EFT), EN61000-4-4
1 KV Surge, EN61000-4-5
Reverse Power Protection Protects against V+/V- reversal
Over Current Protection Protects against 2 signals shorted together:
1.1A
Power Consumption 100 mA at 12 VDC
Physical Characteristics
Dimensions 67 Ă— 100 Ă— 22 mm
90 Ă— 100 Ă— 22 mm (including ears)
Material Aluminum (1 mm)
Gross Weight 140g
Regulatory Approvals
CE Class B
FCC Part 15 sub Class B
TĂśV EN 60950
UL UL 60950
EMI EN55022 1998, Class B
EMS EN61000-4-2 (ESD), Criteria A, Level 2
EN61000-4-3 (RS), Criteria A, Level 2
EN61000-4-4 (EFT), Criteria A, Level 2
EN61000-4-5 (Surge), Criteria A, Level 3
EN61000-4-6 (CS), Criteria A, Level 2
Freefall IEC 60068-2-32
Click here for online support:
www.moxa.com/support
The Americas: +1-714-528-6777 (toll-free: 1-888-669-2872)
Europe: +49-89-3 70 03 99-0
Asia-Pacific: +886-2-8919-1230
China: +86-21-5258-9955 (toll-free: 800-820-5036)
©
©
©
©© 2008 Moxa Inc., all rights reserved.
Reproduction without permission is prohibited.

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Kategorie: Nicht kategorisiert
Modell: TCF-142-S-ST-T

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