The Ex20 extension enables the expansion different gateways like the Elara, Techbase, and Axiomtek.

With the Ex20 connected to the gateway tray/metal box, a greater quantity of analog and digital sensors may be connected to the gateway.

Features

Hardware Specifications

Power Supply	9 - 30 V
Power Consumption	Full power mode	0.12 W average (Aprox.) @12v aprox. 10mA
General purpose inputs	12 Analog inputs (0-5v / 0-15v available – Model specific) 8 digital inputs (Model specific)
Outputs	Open collector output (Model specific) SSR dry contacts (Model specific)
Serial Communication	RS485 (Main) / Modbus host RS232 (Model specific) CAN (Model specific) RS485 (Secondary – Model specific)
Storage Temperature	-40 - 85 Celsius
Working Temperature	-20 - 70 Celsius
Max. Relative humidity	90%
Weight	80g (Aprox.)

Output specifications

Output Type	Open Collector
Max. Continuous working current	200 mA
Over Current protection	300 mA (Aprox.)
Maximum working voltage	40 V

General-purpose analog inputs specifications

Negative digital inputs specifications

Low level threshold (Active)	1 V
High Level threshold	1.4V

Mechanical Dimensions

Active state	Blinking pattern description	Pattern
Host Connected	Green, Fast blink (for a period of 10 Sec after each message from host)	Image Added
Gateway mode: No host, but data received at the RS232 port	Red, Fast blink (for a period of 10 Sec after each message from host)	Image Added
Idle State (No communication)	Red, short blink and long pause.	Image Added
Idle State (No Communication), Error condition	Red, (X>1) Short blinks and long pause. Contact Galooli for detailed description on detection of fault state	Image Added

...

0-5V	0-5V	0-5V	0-5V	0-15V	0-15V	0-15V	0-15V	0-15V	0-15V	0-15V	0-15V
GND	PWRIN	RS485-A	RS485-B	DIG1	DIG2	DIG3	DIG4	RS232-TX	RS232-RX	DIG7	OUT

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