OSA Remote Specifications
Appendix C
10/11/18
Bedrock Secure OSA Remote User Manual - BRDOC020_001
C-6
Table C-7 lists OSA Remote specifications that are specific to internally
sourced discrete outputs.
See Table C-8 for OSA Remote specifications that are specific to NAMUR
operation.
On State Resistance
< 0.25
Ω
Off State Resistance
20 k
Ω
Maximum Off Voltage
30 V DC
Overcurrent Limit
Soft-selectable up to 1.0 amps
Discrete Output Current Accuracy
1.5% of full scale
Table C-7 Specifications for Internally Sourced Discrete Outputs
Specification
Value
Maximum Voltage on Excitation
25 V
Maximum Current
25 mA
Discrete Output Current Accuracy
1.5% of full scale
Table C-8 NAMUR Specifications
Specification
Value
NAMUR Impedance
1 k
Ω
NAMUR Sensor Failure
< 0.2 mA
NAMUR Off
1.1 mA
NAMUR On
2.0 mA
NAMUR Voltage
7-12 V
Table C-6 Specifications for Externally Sourced Discrete Outputs
Specification
Value