Detcon 1640-N4X User Manual

Model 1640-N4X Gas Detection Unit Model 1640-N4X Gas Detection / Alarm System Operator’s Installation and Instruction Manual DETC

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 6 of 28 Note: If there are no I/O

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 7 of 28 4-20mAINPUTCOMMMSDLSDTypi

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 8 of 28 (Alarm 1). Each relay has

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 9 of 28 4.0 Setup 4.1 Front Pane

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 10 of 28 SYSTEM DIAGNOSTICS The “P

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 11 of 28 4.2.3 Set Com 2 Baud Rat

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 12 of 28 REGS TO READ (Registers t

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 13 of 28 displayed on the device a

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 14 of 28 Blinking Cursor is positio

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 15 of 28 FAULT RELAY SETUP LATCHI

1640-N4X 1640-N4X Instruction Manual ii Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 7738

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 16 of 28 The relays and alarm LED’s

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 17 of 28 5.0 Modbus™ Communicatio

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 18 of 28 6.0 Trouble-shooting 6.1

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 19 of 28 Measuring at the master

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 20 of 28 Appendix A RS-485 Unit Int

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 21 of 28 The characteristic impeda

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 22 of 28 Figure 14 Recommended RS-

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 23 of 28 Figure 15 Unbalanced D

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 24 of 28 Device Hook-Up Installatio

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 25 of 28 In this case it is imposs

1640-N4X 1640-N4X Instruction Manual iii Table of Contents 1.0 Introduction ...

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 26 of 28 Appendix B Hexadecimal Tab

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 27 of 28 Appendix C Revision Histo

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 28 of 28 Appendix D Drawings and Di

1640-N4X 1640-N4X Instruction Manual Rev. 0.0

1640-N4X 1640-N4X Instruction Manual Rev. 0.0

1640-N4X 1640-N4X Instruction Manual Rev. 0.0

1640-N4X 1640-N4X Instruction Manual iv Figure 7 Alarm Relay Connections ...

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 1 of 28 1.0 Introduction The Det

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 2 of 28 1.2 Analog Sensors (4-20mA

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 3 of 28 2.0 Unit Configuration T

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 4 of 28 OI5AOI5AABRS-485PrimaryAB+

1640-N4X 1640-N4X Instruction Manual Rev. 0.0 Page 5 of 28 3.0 Installation The De