ADLINK ND-6067 - Manual (Page 70)

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4.1.4 Pin Definition of ND-6021
Pin # Signal Name Description
1 +IOUT Positive Current Output Terminal
2 -IOUT Negative Current OutputTerminal
3 +VOUT Positive Voltage Output Terminal
4 -VOUT Negative Voltage Output 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
4.1.5 ND-6021 Functional Block Diagram
Figure 4-2 Block Diagram of ND-6021
Data-
Data+
RS-485
Rec/DRv
Micro
Processor
RS-485
Terminator
EEPROM
Watchdog / Power Failure
Supervisor
*Defalut Setting
(1 bit Digital In)
Photo
Isolators
DAC
(12 bits)
DC to DC
Convertor
Voltage Output
VOUT +
VOUT -
V to I
IOUT +
IOUT -
Power
Regulator
+10V ~ +30 V
GND
+5V
GND
Isolated Power
Isolated Ground
Current Output