Transducer Inputs And Outputs - GE N60 Instruction Manual

Network stability and synchrophasor measurement system ur series
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3.2 WIRING
3 HARDWARE

3.2.7 TRANSDUCER INPUTS AND OUTPUTS

Transducer input modules can receive input signals from external dcmA output transducers (dcmA In) or resistance tem-
perature detectors (RTD). Hardware and software is provided to receive signals from these external transducers and con-
vert these signals into a digital format for use as required.
Transducer output modules provide DC current outputs in several standard dcmA ranges. Software is provided to configure
virtually any analog quantity used in the relay to drive the analog outputs.
Every transducer input/output module has a total of 24 terminal connections. These connections are arranged as three ter-
minals per row with a total of eight rows. A given row may be used for either inputs or outputs, with terminals in column "a"
having positive polarity and terminals in column "c" having negative polarity. Since an entire row is used for a single input/
output channel, the name of the channel is assigned using the module slot position and row number.
Each module also requires that a connection from an external ground bus be made to terminal 8b. The current outputs
3
require a twisted-pair shielded cable, where the shield is grounded at one end only. The figure below illustrates the trans-
ducer module types (5A, 5C, 5D, 5E, and 5F) and channel arrangements that may be ordered for the relay.
Wherever a tilde "~" symbol appears, substitute with the slot position of the module.
NOTE
Figure 3–18: TRANSDUCER INPUT/OUTPUT MODULE WIRING
3-18
N60 Network Stability and Synchrophasor Measurement System
GE Multilin

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