3. SPECIFICATIONS
DISPLAY
Dot-matrix LCD with back light
16 characters x 2 line.
GSM Modem
900/1800 MHz, dual band.
Switch inputs
Number
8 inputs
Reaction
200 mS, min.
time
Status
Default open,
Close will alarm
Analog input
Number
8 channels
4 to 20 mA
Input
125 ohm
impedance
Resolution
12 bits A/D converter
Setting
4 mA. 20 mA setting
by front
Unit setting
buttons
High/Low alarm value
setting
Relay outputs Number
8 relays
Function
Relay 1 to Relay 7 can
control by mobile via SMS
Relay 8 is the alarm relay
used to connect to field
alarm system
Max load
1 ACA/250 ACV
1 DCA/24 DCV
Standard
CE conformity
3
Содержание GSM-888
Страница 1: ...GSM CONTROL SYSTEM Model GSM 888 ...
Страница 7: ...3 FRONT PANEL LAYOUT DESCRIPTION Fig 1 Fig 2 5 ...
Страница 8: ...Fig 3 Fig 4 6 ...