Specifications
ELAN AUDIO - SENTINEL / RCU-01 RCU01R02 PAGE 2/49
1. SENTINEL / RCU-01 Product Overview
The SENTINEL Remote Control System is designed and built in Western Australia by ELAN Audio.
At its most basic, a system consists of an RCU-01 at the 'Remote Site' and a PC at the 'Control Site' running
SENTINEL software.
The SENTINEL System is primarily designed to control Radio and Television Broadcast Transmitter installations, but
is equally suitable for control of equipment in Industrial Systems and Installations.
Up to 100 'Remote Site' units can share the Computer located at the 'Control Site'.
Communication between 'Remote Sites' and the 'Control Site' is Digital using 'Modems' via one or more of the
following paths.
• Public Subscriber Telephone Network. PSTN.
• Analog Portable Telephone.
• Digital Portable Telephone.
• 2 Wire Leased or Private Line.
• 4 Wire Leased or Private Line.
• Analog Sub Carriers.
• UHF Half Duplex Transceiver.
The SENTINEL System is designed to be 'Open Ended' allowing expansion to the basic RCU-01 'Remote Site' unit
and to the 'Control Site' Equipment.
The RCU-01 is 19" Rack Mounting requiring 2RU of rack space.
The front panel features an illuminated 2 line x 16 character LCD display, 16 Legendable LED status indicators, Power
and Data Transmission status indicator LEDs, Safety Key Lock, Activate Button and 4 Function Control Buttons.
The rear panel features AC Mains inlet and AC Fuse, Backup Battery connector, 9 / 12 V DC Modem Power supply
connector, RS-232 Modem Data connector, RS-485 Serial Bus Connector and 6 x 25 pin 'D' connectors, each
servicing 8 control inputs or outputs.
Standard configuration of the RCU-01 is as follows.
• 8 Analog Inputs.
• 24 Opto Isolated Inputs.
• 16 Relay Outputs.
Alternate options are
• 8 Analog Inputs.
• 16 Opto Isolated Inputs..
• 24 Relay Outputs.
• 0 Analog Inputs
• 24 Opto Isolated Inputs
• 24 Relay Outputs
As standard, the RCU-01 Basic 'Remote Site' unit is supplied with the following
• AC Power cable.
• Battery Connector.
• Modem Power Supply Connectors.
• Owners Manual.
• Operators Manual.
Additional items required for operation of the RCU-01
• 12V 7AH Lead Acid Rechargeable Gel- Cell.
• Approved Modem. (The Maestro "Woomera" Industrial Modem)
( Not required when using Radio Transceiver with built in Modem)
Recommended for RCU-01 Control Site
• Mains AC and Telephone Surge Protector.
( i.e. Dick Smith - F2852 ; Altronics - P8130 ; Jaycar - MS4025)










