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SECTION 3 • INPUT AND OUTPUT FUNCTIONS
TABLE OF CONTENTS
SECTION 3 • INPUT AND OUTPUT FUNCTIONS ................................................................................... 3-1
General .................................................................................................................................................. 3-1
Current Inputs ........................................................................................................................................ 3-1
Current Measurement Functions ........................................................................................................ 3-1
Current Measurement Functions Setup ............................................................................................. 3-3
Contact-Sensing Inputs .......................................................................................................................... 3-4
Digital Input Conditioning Function .................................................................................................... 3-5
Outputs ................................................................................................................................................... 3-7
Hardware Outputs and Virtual Outputs .............................................................................................. 3-7
Retrieving Output Status .................................................................................................................... 3-7
Relay Trouble Alarm Disable.............................................................................................................. 3-8
Programmable Hold Timer ................................................................................................................. 3-8
Output Logic Override Control ........................................................................................................... 3-9
Figures
Figure 3-1. Accuracy Characteristics, 55 to 65 Hz .................................................................................... 3-2
Figure 3-2. Accuracy Characteristics, 20 to 100 Hz .................................................................................. 3-2
Figure 3-3. General Operation Screen, Power System Tab ..................................................................... 3-4
Figure 3-4. Digital Input Conditioning Diagram ......................................................................................... 3-5
Figure 3-5. Inputs and Outputs Screen, Inputs 1-4 Tab ............................................................................ 3-6
Figure 3-6. Output Logic, General Purpose Output Contacts ................................................................... 3-7
Figure 3-7. Output Logic, Fail-Safe Alarm Output Contact ....................................................................... 3-7
Figure 3-8. Inputs and Outputs Screen, Outputs 1-5 Tab ......................................................................... 3-8
Tables
Table 3-1. Current Measurement Function Settings ................................................................................. 3-3
Table 3-2. Contact-Sensing Turn-On Voltages ......................................................................................... 3-4
Table 3-3. Digital Input Conditioning Settings ........................................................................................... 3-5
9289900990 Rev R
BE1-851 Input and Output Functions
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