Technical Specifications; Appendix 1 - EDAC Electronics Ltd. EDAC700 RTU Technical Reference Manual

Electrical

Input Voltage: 10VDC to 30VDC

Power Supply cut off voltage, switches to battery at: 9.3v

Input Current: 300mA normal operation, with battery connected

Battery Backup: 12V 7A/Hour battery capable of over 24 hours normal operation

Battery charge current: 50mA

Auto power down at: 10.8v, protects battery from full discharge
Configurable Input/Output - Alarm, Monitor and Control
− 20 physical I/O configurable as digital or analogue input or digital output
− 2 messages per physical I/O
− Configurable as "report only" or "alarm notification".

Digital Inputs
Up to twenty digital inputs
−
−
−
−

Analogue Inputs
Up to twenty 12 bit analogue inputs configurable for either
−
−
−

Outputs
Up to twenty controlling digital outputs
−
−

Zener diode protected inputs up to 24VDC.

Inputs also reverse polarity and over Voltage protected by crowbar diode.
Communication

2 line 20 digit LCD display

18 key splash-proof keypad

RS232 port

Internal 14k4 modem, with PSTN Line Interface - standard RJ45 connectors
All functions are programmed using the keypad and LCD display, the RS232 port or
via the modem.
Mechanical

Weight: 10 kg

Height: 303 mm

Width: 343 mm

Depth: 120 mm
Voice and Pager Messages
Date: 31/10/12

APPENDIX 1

Technical Specifications

Normally Open Contact
Normally Closed Contact
+30VDC maximum
+1.5VDC trigger
0V to 1V
0V to 10V
4 mA to 20mA
Open collector
150mA maximum current
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