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Download CAMERON Flow Computer Scanner 1131 User Manual
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2: Main Board and Wiring March 2010 Analog 4-20 mA Transmitter (Intrinsically Safe when installed as per APPENDIX A: Drawings) The use of conventional 4-20 mA transmitters requires factory-installed precision load resistors on each analog channel. Power for the current loop is normally obtained from the Scanner’s internal power supply, but may also be drawn from an external source. Page 41
