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 - 11 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
installation, the cabinets may be supplied without any holes and the customer may drill 
the cabinet then install the cable clamps in a suitable position. Use caution when drilling 
the cabinet and always ensure that any power is removed from the device beforehand, 
otherwise damage to the device and serious injury may occur....

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 12 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Typical Wiring Installation 
 
 
 
 
Component Identification, Signal and Wiring Reference. 
  

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 13 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Component Identification 
 
 
 
 
 
This diagram identifies components, connectors and LED’s on the RFScada board 
assembly. Refer to the following chart and detailed notes for an explanation of items 
identified.  

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 14 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
 
 
Connector Pin  Function 
J1  1  117 VAC Line Hot AC power in 
J1  2  Ground In  
J1  3  117 VAC Line Neutral AC power in 
J2  1  External 12 Volt DC input positive 
J2  2  External 12 Volt DC input negative (connected to ground) 
J3  1  Local contact input One (5 Volt DC via 1 K Ohm pull up resistor) 
J3  2  Local contact...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 15 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
pins that connect to ground. If an external ground is not connected via the 115 VAC 
power connector (J1), then an external ground should be connected to this pin.  
 
 
The non-metallic enclosure does not provide 
grounding from any conduit connections. Use 
grounding type bushings and jumper wires if 
metal conduit is used....

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 16 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
J5 is connected to the contacts of two independent single-pole single-throw relays, 
which respond to signals at the other RFScada unit. Pins 1 & 2 will be shorted together 
by the relay contacts whenever AC line power is powering the other RFScada unit, 
when AC power is not powering the other unit the relay contacts will open....

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 17 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Antenna Connector 
The internal antenna is normally attached to this connector. If another antenna needs to 
be used then the internal antenna should be carefully disconnected and removed. See 
the section on external antennas for more details.   
 
F1, AC Power Fuse 
A user replaceable fuse and a transient arresting MOV protect...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 18 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
The battery condition may be verified periodically by simply removing the normal source 
of power (AC line or low voltage DC). The RFScada unit should continue to operate for 
at least 6 hours, if it does not then replace the battery. Acceptable replacement types 
are Power-Sonic PS-1212 or Panasonic LC-R121R3PU. To replace the...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 19 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
First remove all AC power to the unit. Unplug the battery cable plug P6 from the board 
connector J6. Cut and remove Ty-Wrap’s that secure the battery. Carefully pull the old 
battery away from the panel. Unplug the cable terminals from the old battery, and plug 
them onto the new battery making sure they are connected red wire to...

RFScada User Manual Version 1.7 Copyright ©2002 Data Delivery Devices LLC   Page - 20 – 120 NE DeBell Suite B Bartlesville OK 74006      Tel 918-335-3318      FAX 918-335-3328 
Typical Applications and Installations. 
 
Fluid Monitoring / Control 
 
Remotely monitor both high and low levels of a tank and control the fill / drain pumps from 20 miles away 
without interconnecting wires. The RFScada devices also provide automatic local and remote alarms for 
power or system failures, plus full function...