Manual

Introduction • 15
Pin Definitions of ND-6014D
Pin # Signal Name Description
1 +15V External +15V
2 IIN+ Current Input Positive Terminal
3 IIN- Current Input Negative Terminal
6 DEFAULT* Initial state setting
7 (Y) DATA+ RS-485 series signal, positive
8 (G) DATA- RS-485 series signal, negative
9 (R) +Vs Power supply, +10V~+30V
10 (B) GND Ground
11 VIN- Analog Input Negative Terminal
12 VIN+ Analog Input Positive Terminal
13 +15V out External +15V Output
18 DO 0 / LO Digital Output Channel 0
or Low alarm output
19 DI 0 / EV Digital Input Channel 0
or event counter input
20 DO 1/ HI Digital Output Channel 1
or High alarm status output
Functional Block Diagram of ND-6014D
+ 5V
GND
Power Input
+10V ~ +30V
Power
Re
g
ulator & Filte
r
Data +
Data -
RS-485
Rec/Drv
Micro
Processor
EEPROM
Config Data
Safe Value
Watchdog/Power Failure
Superviso
r
1-bit
Di
g
ital In
p
ut
1-bit
Di
g
ital In
p
ut
2-bits
Di
g
ital Out
p
ut
DO0
DO1
DI0
Default*
Pin
ADC
Voltage
In
p
ut
Current
In
p
ut
VIN+
VIN-
IIN+
IIN-
LED DISPLAY