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The Ex20 extension enables the expansion of Elara connectivitydifferent gateways like the Elara, Techbase, and Axiomtek.
With the Ex20 connected to the Elara gateway tray/metal box, a greater quantity of analog and digital sensors may be connected to the Elaragateway.
Features
4 analog input (0-5V)
8 analog input (0-15V)
5 Digital inputs (Negative)
1 Open collection output
1 RS232 Gateway (Modbus host)
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) | |
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
Reading Voltage range | 0-5V / 0-15V |
Reading Resolution | 2 mV / 5mV |
Reading Accuracy (max error) | 2% |
Max input voltage | 40V |
Negative digital inputs specifications
Low level threshold (Active) | 1 V |
High Level threshold | 1.4V |
Mechanical Dimensions
Length | 86mm |
Width | 70mm |
Height | 58mm |
Pinout
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
OUT
Status LEDs
Active state | Blinking pattern description | Pattern |
Host Connected | Green, Fast blink (for a period of 10 Sec after each message from host) |
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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) |
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Idle State (No communication) | Red, short blink and long pause. |
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Idle State (No Communication), Error condition | Red, (X>1) Short blinks and long pause. Contact Galooli for detailed description on detection of fault state |
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Pinout
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 |
Pin# | Name |
|---|---|
AN1 | Analog 1 |
AN2 | Analog 2 |
AN3 | Analog 3 |
AN4 | Analog 4 |
AN5 | Analog 5 |
AN6 | Analog 6 |
AN7 | Analog 7 |
AN8 | Analog 8 |
AN9 | Analog 9 |
AN10 | Analog 10 |
AN11 | Analog 11 |
AN12 | Analog 12 |
IN- | GND - Terminal Blocks Power |
IN+ | +12V DC - Terminal Blocks Power |
RS485 A | RS485 A |
Communication pin | |
RS485 B | RS485 B |
Communication pin | |
DIG1 | Digital 1 |
DIG2 | Digital 2 |
DIG3 | Digital 3 |
DIG4 | Digital 4 |
RS232 TX | RS232 transmitted data |
RS232 RX | RS232 received data |
DIG7 | Digital 7 |
OUT | Output |
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