Chapter 2 Installation
Sierra 240/241Series Instruction Manual
2-36
IM-240
Option 2
Option 1
1
2
3
4
5
1
2
3
4
5
Ext. 4-20 mA
Input Device
+ 24 VDC OUT
- 24 VDC OUT
AC units only. Meter
provided DC power.
Figure 2-45. External 4-20 mA Input Wiring - AC Powered Meter
Follow the above diagram to wire the external 4-20 mA input into the
flow meter using power from the 24 VDC output of an AC powered me-
ter.
Optional Contact Closure Input Wiring
Option 2
Option 1
1
2
3
4
5
1
2
3
4
5
Figure 2-46. Optional Contact Closure Input Wiring
Follow the above diagram to wire an external switch input into the flow
meter. The meter is configured to have Option 1 used for the external in-
put. If the above switch is used to remotely reset the totalizer a pushbut-
ton switch with a momentary contact closure is recommended.
Summary of Contents for INNOVA-MASS 240-VT
Page 124: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 2 IM 240...
Page 125: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 3...
Page 126: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 4 IM 240...
Page 127: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 5...
Page 128: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 6 IM 240...
Page 129: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 7...
Page 130: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 8 IM 240...
Page 131: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 9...
Page 132: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 10 IM 240...
Page 133: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 11...
Page 134: ...Appendix A Specifications Sierra 240 241 Series Instruction Manual A 12 IM 240...
Page 135: ...Sierra 240 241 Series Instruction Manual Appendix A Specifications IM 240 A 13...
