Manual – 3000 NRL Family
Unidata Manual - 3000 NRL Family - 06 08 2019.docx
Page 25
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
C3
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
C2
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
GND
Ground
C1
16 bit, DC to 32Hz potential free contacts or 0 to 5VDC
C0
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