Model TC1520
RS-422/RS-485 (4 wire)
Asynchronous Fiber Optic Modem

Features
- Async Data Rates
Up to 500 Kbps
- RS-422, 2 or
4-wire RS-485
- Detachable
Terminal Block Connectors
- Distances up to
20km
- Multimode or
Single Mode (850/1300/1550nm)
- Six Diagnostic
LEDs
- Sturdy Compact
Metal Case
- Regular and Wallmount
Base
- High Temperature
(-20°C to 70°C)
Version
Optional
Description
Versatile and
competitively priced, the TC1520 fiber optic modem supports RS-422 and
2-wire or 4-wire RS-485 interfaces. It transmits asynchronous data at
speeds up to 500 Kbps.*
Because the TC1520 can be multi-dropped on the electrical side (RS-485), it
is ideal for poll and response applications such as SCADA and Process
Control. It will support one Remote Terminal Unit via the RS-422 interface.
Six visual indicators are provided for troubleshooting: Power, RS-485,
Driver Mode, Receive Data, Transmit Data, Optic Sync. Four DIP switches are
provided for RS-485 Transition Time and Termination Resistor settings.
The TC1520 is compatible with all popular types and sizes of multimode
(850nm/1300nm) or single mode (1300/1550nm) fiber optic cable. Fiber optic
connectors are ST or FC. The electrical connectors are terminal blocks.
Power is 12VDC or 115/230VAC with an external power cube. An extreme
temperature version (-20°C to 70°C), Model TC1520T, is also available.
TC1520 Specifications
|
Data Rates |
| Asynchronous |
up to 500 Kbps |
|
Optical |
| Transmitter |
LED/ELED |
| Receiver |
PIN |
| Wavelength |
850nm/1300nm multimode |
| |
1300nm singlemode |
| Fiber Optic connectors |
ST (FC optional) |
| Loss Budget |
15dB multimode 850nm/1310nm @62.5um |
| |
15dB single mode
1310nm @9um |
|
Electrical |
| Connector |
DB25 Female |
|
TC1520 |
RS422/RS485 (DCE/DTE) |
|
System |
| Bit error rate |
1 in l09 or better |
|
Power |
| Power source |
9 to I2VDC @300ma |
| optional: 115 or 230VAC |
with external power cube |
|
Temperature |
| Operating |
-100C to 500C |
| Hi-Temp
(optional) |
-20°C
to 70°C |
| Storage |
-400C to 900C |
| Humidity |
95% non-condensing |
|
Physical |
| Stand Alone Unit |
Height
(2.24 cm) 0.9"
|
| |
Width
(10.16 cm) 4.0"
|
| |
Depth
(7.87 cm) 3.1"
|
| |
Weight
(93.6 gm) 3.3 oz.
|
Applications
The TC1520 is typically used to link various
process control systems in manufacturing plants, refineries, etc. In addition, it is often
used to connect Remote Terminal Units to SCADA hosts. They are also frequently used in
harsh environments because of its fiber optic benefits. This makes it simple and low cost
solution to electrical/radio frequency interference and ground loop problems. Data
security is also assured because fiber optic cable is virtually impossible to tap without
detection.
Typical
Application
(Application
Questions)
The TC1520 RS-422/RS-485
Asynchronous Fiber Optic Modem are often used to link various process
control systems in manufacturing plants, refineries, etc. It is also used to
connect Remote Terminal Units to SCADA hosts or controllers in Utility
environments.
The TC1520 work well in harsh environments because of their fiber optic
benefits. This results in a simple and low cost solution to electrical/radio
frequency interference and ground loop problems. Data security is also
assured because fiber optic cable is virtually impossible to tap without
detection.
