2070LX Controller – User Manual 33
Version 1.0
3 2070-2E+ FIELD I/O MODULE
3.1 GENERAL DESCRIPTION
The 2070-2E+ Field I/O Module fully meets with the TEES 2009 and Errata 2 from December 5
th
2014; it
serves as an interface between the controller and the external world through its parallel I/O interface and
two serial ports present at the front connectors.
The Field I/O module provides a parallel interface with 64 inputs/outputs present at C1S and C11S; also,
a serial interface is provided through the SP-3 and SP-5 serial ports present at C12S connector,
transmission and reception status indicators for both ports and a “SP-3 ACTIVE” port indicator are located
at the front plate.
The Field I/O module is optically isolated from the rest of the 2070LX Controller.
The 2070-2E+ Field I/O Module consists of:
C1S and C11S Connectors: Provides 64 inputs and 64 outputs for control of equipment.
C12S Connector: Provides the SP-3 and SP-5 serial ports, the control signals LINESYNC,
NRESET and POWERDOWN, and +5VDC ISO.
A 2070 Type main board: Contains all necessary circuitry for implementing the 2070-2E+
functions.
A 4X face plate: Provides mechanical support and identification in the Controller.
Figure 5: 2070-2E+ Module
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