Eldes ESIM251 User Manual download pdf (Page 5)

USER MANUAL ELDES ESIM251 V1.0 5

1.3 Technical Specications

Electrical and mechanical specications

Supply voltage

10-24V50Hz~200mAmax/10-24V 200mAmax

Current used in standby mode 50mAmax

GSM modem frequency 850/900/1800/1900 MHz

Numberof“low”level(negative)inputs 4

Numberof“high”level(positive)inputs 1

Allowable„low“level(negative)inputvalues Voltage: 0... 1.6V; current: -0.8... -0.4mA

Allowable„high“level(positive)inputvalues Voltage: 5... 50V; current: 0.17.... 1.7mA

Number of outputs 1

Output type NO(relay)

Relayoutputmaximumcommutatingvalues 24V 1A / 24V 50Hz ~0,5A

Dimensions 82x63x20mm

Operating temperature range -20…+55

(-30...+55

Cwithlimitations)

1.4 Connector Functionality

ANT

GSM

MODEM

SIM

CARD

MIC

LED1

LED2

DEFAULT

D1 D2

AC/DC

RELAY

COM- -

Z4 Z3

Z2 Z1

USB

Short explanation of the main units

GSM MODEM GSM network 850/900/1800/1900 MHz

modem

SIM CARD

SIM card

LED

Light-emitting diodes indicator

DEFAULT

Connectors(D1andD2)forrestoring

default settings

ANT

GSM antenna SMA type connector

USB Mini USB connector

Fuse

Connector functionality

Labeling Explanation

AC/DC Power supply pins

RELAY Dryrelaycontact.Normallyopen(NO)

COM Common pin

Z5 “Low” level input Z5

Z4 “Low“ level input Z4

Z3 “Low” level input Z3

Z2 “High” level input Z2

Z1 “Low” level input Z1

Picture 1

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Eldes ESIM251 User Manual Page 5

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