Data Delivery Devices RFScada 2DI-4DO Long Range Spread Spectrum Bi-Directional Wireless Telemetry Unit User Manual

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 1 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
RFScada 
2DI-4DO 
Long Range 
Spread Spectrum 
Bi-Directional  
Wireless Telemetry Unit 
   
 
User Manual 
 
By 
 
120 NE DeBell Suite B, Bartlesville, OK 74006 
Tel 918-335-3318 
Fax 918-335-3328 

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 2 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
 
Warranty 
Data Delivery Devices LLC warrants that products covered in this manual shall be free from 
defects in workmanship and materials, and shall conform to Data Delivery Devices published 
specifications or other specifications accepted by Data Delivery Devices LLC in writing for a 
period of one (1) year from the date of...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 3 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Table of Contents 
 
 
 
General Safety Instructions   4 
Introduction   5 
Specifications   6 
Device Unpacking, Verification and Installation   7 
Signals, Connections and Wiring Reference   11 
Typical Applications and Installations   19 
External Antennas   23 
Sample Questions and Applications   25  

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 4 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
GENERAL SAFETY INSTRUCTIONS 
Warnings in this manual appear in either of two ways: 
1. Danger warnings – The danger warning symbol is an exclamation mark enclosed 
in a triangle which precedes letters spelling the word “DANGER”. The Danger 
warning symbol is used to indicate situations, locations and conditions that can 
cause...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 5 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Introduction 
 
A pair of RFScada units provide a complete, high reliability, long range, spread 
spectrum, bi-directional wireless transmission and reception interface that allows remote 
monitoring and control of discrete signals. The states of contact or logic level inputs at 
each unit are replicated by corresponding relay...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 6 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
RFScada Specifications Due to continual improvements all published specifications are subject to change 
 
AC Operating voltage (note 1)  115 VAC +/- 10%  48 – 62Hz 
DC Operating voltage (note 1)  10 to 18 Volts DC  
AC Power consumption  

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 7 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328     

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 8 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Device Unpacking, Verification and Installation. 
Unpacking: 
First carefully unpack the units and verify all the contents are complete, intact and 
match the items ordered. If there is any discrepancy then please contact Data Delivery 
Devices LLC for assistance. 
  
Standard Contents (for one RFScada unit) 
Qty. Description 
1...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 9 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
 
Possibly lethal line voltages will be present on 
the unit’s circuit board when connected to AC 
line power. Before attempting to gain access, 
test or modify connections refer to a qualified 
electrician for assistance, instructions on safe 
operation and to ensure that connections meet 
all applicable safety procedures,...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 10 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
its desired position and move the second unit towards its final location. By watching the 
‘Comms OK’ LED on either unit, or the transmit and receive LED’s the range may be 
verified. Remember that the ‘Comms OK’ LED will only illuminate if both units are 
communicating correctly with a continuous, full, complete and verified data...