Manual – 3000 NRL Family
Unidata Manual - 3000 NRL Family - 17 09 2018.docx
Page 31
Terminal
Connection
Description
SAT MODEM
Globalstar Satellite Connection
POWER 9-30VDC
AUX+
External 9V to 30VDC Power
AUX-
External 9V to 30VDC Power Supply -
POWER 9-30VDC
MAIN+
External 9V to 30VDC Power
MAIN-
External 9V to 30VDC Power Supply -
CONFIGURATION RS232
Logger Configuration RS232 (Female) Serial Port
INSTRUMENT
RS232
Smart Instrument Connection RS232 (Male) Serial Port
SDI-12
GND (1)
Ground SDI-12 Channel 1
SDI-1
SDI-12 Signal Channel 1
12V (1)
SDI-12 12V Channel 1
GND (0)
Ground SDI-12 Channel 0
SDI-0
SDI-12 Signal Channel 0
12V (0)
SDI-12 12V Channel 1
MODBUS
GND 1
Ground MODBUS Channel 1
1A-
MODBUS Channel 1 A-
1B+
MODBUS Channel 1 B+
GND 0
Ground MODBUS Channel 0
0A-
MODBUS Channel 0 A-
0B+
MODBUS Channel 0 B+
RELAYS
NO1
Normally open 1 1A 30Vdc, 0.5A 125VAC
COM1 Common
1
NC1
Normally closed 1 1A 30Vdc, 0.5A 125VAC
NO0
Normally open 0 1A 30Vdc, 0.5A 125VAC
COM0 Common
0
NC0
Normally closed 0 1A 30Vdc, 0.5A 125VAC
INST PWR
GND Ground
5V
5V regulated 100mA fused
GND Ground
5V
5V regulated 100mA fused
GND Ground
12V
12V regulated 200mA fused
DIG-IN
GND Ground
DI-3
Digital Input 3, Low<1.1V, High>2.05V, Max = 5V DC
DI-2
Digital Input 2, Low<1.1V, High>2.05V, Max = 5V DC
GND Ground
DI-1
Digital Input 1, Low<1.1V, High>2.05V, Max = 5V DC
DI-0
Digital Input 0, Low<1.1V, High>2.05V, Max = 5V DC
COUNTERS
GND Ground
C-3
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
C-2
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
GND Ground
C-1
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
C-0
16 bit, DC to 320Hz potential free contacts or 0 to
DIG-OUT
OUT1
Output 1 Open Drain FET 30V DC,, 250mA max
GND Ground
OUT0
Output0 Open Drain FET 30V DC,, 250mA max
GND Ground
HSIO
GND
HSIO Ground
CLK HSIO
Clock
DATA HSIO
Data
SYNC HSIO
SYNC