Discrete (Digital) Inputs And Outputs; Discrete (Digital) Inputs And Outputs; Digital Loopback Test Circuit - Emerson Daniel Danalyzer 1000 Hardware Reference Manual

MODEL 1000
5.9

DISCRETE (DIGITAL) INPUTS AND OUTPUTS

For instructions on connecting digital inputs and outputs to the GC Controller, see Section 3.4.6 and
drawing DE-20782, GC Controller drawings addendum, this manual.
5.9.1

Digital Loopback Test Circuit

An external loopback test circuit can be built for troubleshooting the GC System's digital
input/output operation. See Figure 5-8.
Figure 5-8. External Loopback Circuit for Testing Digital Input/Output Operation.
MAINTENANCE
SEP 2005
5-47