DDAA1000/SRM User Guide
Analog Operation
Specifications
1.This unit does not provide loop power to devices.
2.The outputs can operate on loops with a maximum total resistance of 300 ohms.
3.The resolution of this unit is 8 bits with accuracy of 2%.
4.All inputs use a common ground connection labeled “G”.
5.This system is not designed to replace PLCs.
6.It is not recommended to use this product with PLC applications.
7.The input signal must be a
Point-to-Point Analog System
These units are
Figure 6: Point-to-Point Analog Example
Master
Remote
Pwr
G 1 2 3 4 5 6 7 8 | G 1 2 3 4 5 6 7 8 |
Sensor | Note: A loop power supply may be | |
with 4 | ||
needed. The DDAA1000 unites do not | ||
Output | ||
supply loop power. | ||
|
Pwr
G | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
G | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
13.7
mA
mA
8 |
|
PN
rev 8/04