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 Data Delivery Devices LLC shipment. 
 
 
Limitation of Warranty Liability 
This warranty does not apply to any device that has been subject to abuse, neglect, accident or 
modification. Data Delivery Devices LLC sole obligation under its warranty shall be to repair, 
replace the product or issue a credit. Data Delivery Devices LLC warranty and remedies are 
exclusive and are made expressly in lieu of all other warranties expressed or implied, either in 
fact or by operation of law, statutory or otherwise, including warranties of merchantability and 
fitness for use. Data Delivery Devices LLC shall not be liable for damages due to delays in 
deliveries or use and shall in no event be liable for incidental or consequential damages of any 
kind, whether arising from contract, tort, or negligence, including but not limited to, loss of 
profits, loss of customers, loss of goodwill, overhead or other like damages.     
 
 
Limitation of Application Liability 
Data Delivery Devices LLC assumes the buyer to be an expert in his intended application of 
Data Delivery Devices LLC products. Data Delivery Devices LLC claims no special expertise in 
the application of its products into the buyer’s equipment. Data Delivery Devices LLC accepts 
no responsibility for the buyer’s selection and use of Data Delivery Devices LLC products. 
Buyer’s interpretation and implementation of application suggestions and recommendation by 
Data Delivery Devices LLC, general or specific, transmitted verbally, electronically or in writing, 
published or unpublished, is strictly at the buyers own risk.  
 
 
FCC Compliance Warning 
The RFScada device contains a transmitter module FCC ID:OUR9XTREAM. The transmitter 
module complies with part 15 of the FCC Rules. Operation is subject to the following two 
conditions: (1) The device may not cause harmful interference, and (2) the device must accept 
any interference that may cause undesired operation.    
 
 
FCC RF Exposure Warning 
In order to comply with the FCC RF exposure requirements the RFScada unit may only be used 
with approved antennas that have been tested with it. A minimum separation distance of 20cm 
must be maintained from the antenna to any nearby persons. The RFScada unit is not classified 
as a portable device per FCC Section 2.1093    
  
						

							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 serious injury or death: 
 
 
2. Caution Warnings -  The caution warning symbol is an exclamation mark 
enclosed in a triangle which precedes letters spelling the word “CAUTION”. The 
Caution warning symbol is used to indicate situations and conditions that can 
cause operator injury and/or equipment damage: 
 
 
Other warning symbols may appear along with the Danger and Caution symbol and are 
used to specify special hazards. These warnings describe particular areas where 
special care and/or procedures are required in order to prevent serious injury and 
possible death. 
 
Electrical Warnings – The electrical warning symbol is a lightning bolt mark 
enclosed in a triangle. The electrical warning symbol is used to indicate high 
voltage locations and conditions that may cause serious injury or death if proper 
precautions are not observed: 
 
 
For the purposes of this manual and product labels, a Qualified Person is one who is 
familiar with the installation, construction, operation and maintenance of the equipment 
and the hazards involved. This person must: 
 
1.  Carefully read and understand the entire manual. 
 
2.  Be trained and authorized to safely energize, de-
energize, clear faults, ground, lockout and tag circuits 
and equipment in accordance with established safety 
practices. 
 
3.  Be trained in the proper care and use of protective 
equipment such as safety shoes, rubber gloves, hard 
hats, safety glasses, face shields etc. in accordance 
with established safety practices. 
 
4.  Be trained in rendering first aid. 
 
CAUTION 
DANGER  
						

							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 contacts at the opposite units. The 
RFScada system has many applications in the SCADA, oil, gas, water, security and 
other industrial fields.  
 
The many features include..... 
 
™ Extremely high reliability, with oil field proven industrial grade components 
throughout. 
 
™ Highest data integrity, very secure and extensive error rejecting data 
communication methods to prevent the possibility of false signals. 
 
™  High speed, fully bi-directional and continuous signal exchange ensures each 
unit is capable of controlling, monitoring and verifying signals at the other unit – 
continuous, positive verification of correct operation. 
 
™  Out of the box ‘Plug and Play’ operation, no user programming, configuration or 
adjustments required. Duplicate a remote relay or switch without any connecting 
‘wires’. 
 
™  All units revert to a known state upon failure or communication loss, either local 
or remote, within seconds. 
 
™  Additional outputs indicate the state of the opposite units AC power and verified 
communication status.  
 
™  Built in dual power supply options (115 VAC or 12 to 18 Volts DC) plus internal 6-
hour full function power fail capability, for highest system reliability. 
 
™  Quickly and easily add wireless I/O to existing systems; compatible with virtually 
all SCADA systems.  
 
™  Long range of up to 25 miles with an external antenna. Using the standard, 
enclosed antenna has a range up to 5 miles. 
 
™  Completely prepackaged solution in a corrosion resistant, NEMA 4X enclosure 
ready to be installed in virtually any location, requires just power and signal 
connection for operation. Most applications will not require an external antenna. 
 
™  No license required for ownership or operation in the USA.  
						

							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 device (may be either screw close or lockable latch door closing type)  
4  Stainless steel mounting lugs. 
4  Stainless steel lug screws. 
1 User Manual. 
1  Test AC power cord with 3 conductor Phoenix connector 
2  4-conductor Phoenix connector (for input signals and output status signals) 
1  2-conductor Phoenix connector (for 12 Volt DC external power) 
1  6-conductor Phoenix connector (for output signals).  
1  0.125”–0.250” Cable entry flange. (May already be installed on the RFScada unit) 
1  0.250”–0.375” Cable entry flange. (May already be installed on the RFScada unit) 
8 TyWraps 
2  1.25” 2 Amp 250 V fuses (spare). 
 
Device Verification: 
This procedure will allow the operator to verify the units are functioning correctly 
and will support the required range before permanently installing the units. It usually 
does not require connecting to external power or connecting to any signals. This is an 
easy and quick method to do in the field that does not need any special tools - it does 
not even require external power. 
Open a unit, verify it has not been damaged and there are no loose components 
in the housing. The RFScada units are shipped with fully charged batteries, but the 
batteries are disconnected from the main circuit board before shipping to prevent them 
from draining during shipment. Locate and connect the free plug P6 that is on the end of 
the battery cable into the corresponding connector J6 on the board. Like all the board 
connectors they will only mate one way, so to prevent damage do not try to force it if it 
does not appear to fit. Once it is correctly seated the status LED’s on the board should 
briefly flash as the device completes a self-test and initialization, then the unit should 
commence operation. If this does not occur possibly the battery is discharged, and the 
AC test lead may need to be used.  
						

							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, standards and 
codes. 
 
To use AC power the test lead must be connected first to the 3-pin connector J1 
on the unit, then plugged into an AC power source. Besides operating the unit this will 
also charge the battery.     
The operation of the relays plus the status indicators will depend on whether 
another matched RFScada device is running and within range. If the device is not 
communicating with another unit then the green ‘Transmit’ LED will briefly flash 
approximately twice a second. This LED illuminates each time the device transmits 
data, and indicates that the device is trying to establish communications with another 
unit. If the ‘Transmit’ LED flashes quicker than this (approximately 3 to 10 times per 
second) without the receive data LED illuminating it indicates that the device is either 
detecting corrupted data or interference from another source (probably two similar 
paired units which are within range, are communicating with each other and have the 
same ‘identity’ as this one). If the ‘Transmit’ LED flashes followed by the ‘Receive’ LED 
flashing in rapid succession (normal operation) then this device is successfully 
communicating with another device that has the same identity. For this to occur the 
main board, including the transmitters and receivers on each unit must all be operating 
correctly. 
Repeat the above procedure with the second unit, and they should then be in 
constant communication with each other, the ‘Transmit’ and ‘Receive’ LED’s on each 
unit should be rapidly flashing. The ‘Comms OK’ LED should also be illuminated, and 
the corresponding relay will also be activated. Note that units are usually ordered in 
pairs, if you have more than 2 units in the order ensure that a matching ‘pair’ are being 
tested together (they should have the same identity set, A to G, marked on the label 
inside the door). Once the pair of units are communicating connect a short piece of wire 
between terminals 1 and 2 of a Phoenix four pin plug P3. Plug this four conductor plug 
into the corresponding connector (J3) on one of the devices, after a very short delay 
(less than 0.25 second) the ’local status’ green LED by the connector should illuminate, 
this provides local indication showing the state of the input. Almost immediately a relay 
click should be heard from the other device, and the corresponding ‘output’ indicating 
LED will become illuminated on the other device by the relay just activated. This verifies 
that the input status on one device activates the ‘output’ relay on the remote device. If 
required, this procedure may be repeated for both input channels on both units.  
Once the basic device functionality has been completed the devices may be 
moved to the final location for range verification. If it will be some time before the range 
verification may be undertaken unplug the battery cable plus P6 to prevent the batteries 
from becoming discharged. With the devices operating temporarily locate the first unit at 
DANGER 
						

							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 exchange. 
The state of the inputs and outputs has no bearing on the range, and the state of the 
inputs does not matter to test the range. Providing the batteries are not completely 
discharged the range is the same whether the units operate from AC or DC power. If the 
required range cannot be achieved see the section on troubleshooting to resolve the 
problem. 
After the device and range verification have been completed the devices may be 
permanently installed. 
 
Device Installation: 
Establish a route and entry point for both the power and signal cables to enter the 
cabinet. Generally the best entry point is on the bottom side of the cabinet to minimize 
the possibility of cable damage.  
 
 
Some manufacturers of the sealed, 
rechargeable batteries that may be used in the 
RFScada unit do not recommend charging the 
batteries in a hermetically sealed enclosure. 
Although the batteries themselves are 
completely sealed and may be operated at any 
angle it may be possible, under a certain set of 
rare circumstances for the battery to vent gas 
into the cabinet. This gas could potentially 
create an explosion if subsequently ignited by a 
spark. The battery could possibly vent gas if 
the charging circuit malfunctioned, the 
protective current-limiting fuse shorted out, the 
battery became severally overcharged and 
failed. The RFScada unit has a suitable vent in 
the base of the cabinet, which will allow any 
gas to safely vent in the event of these failures. 
If the internal battery is not required the vent 
may easily be removed and the hole may be 
used for cable access, since it is the same size 
as the cable entry fittings supplied.  
 
Mount the cabinet using the four stainless steel screws and lugs provided in the 
kit, use type 222 Loctite applied to the screw threads if the cabinet is to be mounted in a 
location subject to vibration. Since the cable entry point is often not known until 
DANGER
CAUTION