Model RD-8X Remote Display Unit Model RD-8X-N4X Remote Display ALM1 PROG ALM2 ALM3 FAULT ENTER RESET/ACK Operator’s Installation and Instruction Manual DETCON, Inc. 3200 Research Forest Dr., The Woodlands, Texas 77387 Ph.281.367.4100 / Fax 281.298.2868 www.detcon.com November 25, 2009 • Document # 3434 • Revision 1.
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • www.detcon.com • sales@detcon.com Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual Table of Contents 1. 2. 3. Description..............................................................................................................................................1 Specifications..........................................................................................................................................1 Installation.......................................................................................................................................
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • Hwww.detcon.comH • Hsales@detcon.com U Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual 1. Description The Model RD-8X is a read only remote display unit designed to operate with Modbus™ RS485 sensors or control systems from Detcon. The unit displays real time channel information on the backlit LCD. Display information includes the channel number, the gas type, and the gas concentration. The unit will also display the current Alarm/Fault status via the front panel LED indicators.
RD-8X-N4X Operators Manual RESET Model RD-8X-N4X Remote Display 8.95" 9.85" ON/OFF 8" 6.45" 6.85" 11.75" Mounting Flange Mounting Flange Figure 1 Dimensional Overview 3.2 Power and I/O Connections Power and I/O connections are made on back of the PCB. Plug-in male connectors are provided for input wiring terminations. This connector style provides for quick disconnect convenience during replacement or servicing (refer to Figure 3). 3.2.
RD-8X-N4X Operators Manual Power Switch 1 2 SW2 3 NC NO NC NO NC NO E L2 P10 P9 P8 P7 P6 L1 ACV IN ALARM3 ALARM2 ALARM1 Ground Neutral (L2) 120VAC (L1) P1 P11 + P2 VDC IN FAULT NC NO 4 VDC - (Return) VDC + (11.
RD-8X-N4X Operators Manual 3.2.4 Relay Outputs The Model RD-8X provides four single pole double throw (SPDT) Form C contact relays. The relay terminals (P6 through P9) are labeled “FAULT”, “ALM3”, “ALM2”, and “ALM1” (refer to Figure 3). The relays can be used to control annunciating devices or as signal input/outputs to other control devices. Connections are labeled COM (common), NO (normally open) and NC (normally closed).
RD-8X-N4X Operators Manual Model RD-8X-N4X Remote Display ALM1 ALM2 ALM3 FAULT PROG ENTER RESET/ACK Figure 4 Front Panel 4.2 Unit Setup Main Menu Unit Setup is accomplished by use of the Main Menu. The Main Menu consists of 3 items: SET # OF CHANNELS SETUP CHANNEL DATA CALIBRATION MODE The “PROG” key is used to enter the menu mode of the unit.
RD-8X-N4X Operators Manual NOTE: the number of activated channels can be less than (but not greater than) the controller’s maximum input capacity. The maximum input capacity is 16 channels. To enter the “SET # OF CHANNELS” Menu, press the “PROG” key to enter the Main Menu. From the Main Menu, press the “ENTER” key to enter the “SET # OF CHANNELS” item. Use the “u” (Up Arrow) to increase the number of channels, and the “v” (Down Arrow) to decrease the number of channels to be monitored.
RD-8X-N4X Operators Manual This is pre-programmed to the value of 50 and should not be altered unless directed to do so by Detcon Factory Personnel. Use the “u” (Up Arrow) and “v” (Down Arrow) keys to move from one parameter to another. When the Blinking Cursor is positioned at the parameter that needs to be modified, the “ENTER” key is used to open that parameter to change.
RD-8X-N4X Operators Manual 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ** ** ** ** ** ** ** ** ** ** ** ** ** ** 16 16 16 16 16 16 16 16 16 16 16 16 16 16 2 3 4 5 6 7 8 9 10 11 12 13 14 15 3 4 5 6 7 8 9 10 11 12 13 14 15 16 **- Represent the modbus address of the remote device. The slave ID for each channel enabled on the RD- 8X must match the modbus address of the remote device. Failure to assign the proper slave ID will result in a “COMM ERROR” for the corresponding channel.
RD-8X-N4X Operators Manual ** - Represents the modbus address of the remote device. The slave ID for each channel enabled on the RD-8X must match the modbus address of the remote device. Failure to assign the proper slave ID will result in a “COMM ERROR” for the corresponding channel. NOTE: The number of activated channels can be less than (but not greater than) the controller’s maximum input capacity. The maximum input capacity is 16 channels.
RD-8X-N4X Operators Manual *** - Represents model 440 channels that will be assigned to a RD-8X channel. 4.3.6 Model RD-8X to Model 840 Table 6 Model 840 RD-8X: Setup Channel Data Channel Slave ID Register to Read Reading Register Channel * * * * * * * * ** ** ** ** ** ** ** ** 13 13 13 13 13 13 13 13 0 1 2 3 4 5 6 7 *** *** *** *** *** *** *** *** * - Represents RD-8X channel the remote device will be assigned to. ** - Represents the modbus address of the remote device.
RD-8X-N4X Operators Manual Register # 40000 40001 40002 40003 40004 40005 40006 40007 40008 40009 4000A 4000B 4000C 4000D 4000E 4000F Channel 1 Reading Channel 2 Reading Channel 3 Reading Channel 4 Reading Channel 5 Reading Channel 6 Reading Channel 7 Reading Channel 8 Reading Channel 9 Reading Channel 10 Reading Channel 11 Reading Channel 12 Reading Channel 13 Reading Channel 14 Reading Channel 15 Reading Channel 16 Reading 6. Warranty Detcon, Inc.
RD-8X-N4X Operators Manual Appendix A Revision History Revision 0.0 1.0 Date Changes made 03/18/2009 Manual Created 11/24/09 Update to 16 channels, correct front panel layout, and other corrections Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual Appendix B Drawings and Diagrams 1. RD-8X-N4X Dimensional Overview 2. RD-8X-N4X Component Layout 3. RD-8X-N4X Interconnect Wiring Diagram Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • Hwww.detcon.comH • Hsales@detcon.com Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • Hwww.detcon.comH • Hsales@detcon.com Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • Hwww.detcon.comH • Hsales@detcon.com Model RD-8X-N4X Operator Manual Rev. 1.
RD-8X-N4X Operators Manual This page left intentionally blank Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands Texas 77381 Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067 Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • Hwww.detcon.comH • Hsales@detcon.com Model RD-8X-N4X Operator Manual Rev. 1.
