9328900990 Rev L BE1-951 Input and Output Functions i
SECTION 3 • INPUT AND OUTPUT FUNCTIONS
TABLE OF CONTENTS
SECTION 3 • INPUT AND OUTPUT FUNCTIONS...................................................................................3-1
INTRODUCTION.................................................................................................................................... 3-1
POWER SYSTEM INPUTS ................................................................................................................... 3-1
Current Measurement ........................................................................................................................ 3-1
Voltage Measurement ........................................................................................................................ 3-1
Frequency Measurement ................................................................................................................... 3-2
Power Measurement .......................................................................................................................... 3-2
Measurement Functions Setup .......................................................................................................... 3-3
CONTACT SENSING INPUTS .............................................................................................................. 3-5
Digital Input Conditioning Function .................................................................................................... 3-6
OUTPUTS.............................................................................................................................................. 3-8
Hardware Outputs and Virtual Outputs .............................................................................................. 3-8
Retrieving Output Status .................................................................................................................... 3-9
Relay Trouble Alarm Disable.............................................................................................................. 3-9
Programmable Hold Timer ................................................................................................................. 3-9
Output Logic Override Control.......................................................................................................... 3-10
Figures
Figure 3-1. General Operation, Power System Tab.................................................................................. 3-3
Figure 3-2. General Operation Screen, CT & VT Setup............................................................................ 3-4
Figure 3-3. Digital Input Conditioning Timing Diagram.............................................................................. 3-6
Figure 3-4. Inputs and Outputs Screen, Inputs 1-4 Tab............................................................................ 3-7
Figure 3-5. Output Logic, General Purpose Output Contacts ................................................................... 3-8
Figure 3-6. Output Logic, Fail-Safe Alarm Output Contact ....................................................................... 3-9
Figure 3-7. Inputs and Outputs Screen, Outputs 1-5, A Tab................................................................... 3-10
Tables
Table 3-1. Measurement Functions Settings............................................................................................. 3-5
Table 3-2. Contact Sensing Turn-On Voltage ........................................................................................... 3-6
Table 3-3. Digital Input Conditioning Settings ........................................................................................... 3-7
Table 3-4. Hold Timer Settings................................................................................................................ 3-10