Figure 9: Do Connection Example; Figure 10: Typical Ai Point Schematic - ABB XSeriesG4 User Manual

BATTERY (+) OR POWER
POSITIVE TERMINAL (24 VDC MAX)
SOURCE
BATTERY (-) OR POWER
COMMON OR GND SOURCE
TERMINAL
Electrical specification (each point):
–
Open circuit voltage, 0 Vdc
–
Short circuit leakage current, 0 uA typical
–
Output capacitance, 1000 pF typical
–
Maximum allowable voltage range on output, -0.5 Vdc to 26.5 Vdc
Input specification
–
Open Drain FET type
– ON Resistance, 0.1 Ω Typical (including PTC fuse resistance)
–
Maximum pulse current, 3 A for 5 seconds
–
Maximum continuous sink current, 2 A
Analog inputs
Figure 10 is a typical point schematic for the analog input. Figure 11 shows an example of point connections for the AI and a
typical 2-wire 4–20 mA field device.
TYPICAL SINK OUTPUT FIELD WIRING
SIG
SIG
LOAD
GND
GND

Figure 9: DO connection example

SIG (+)
24V
GND

Figure 10: Typical AI point schematic

2.5A
24V
0-10V To ADC
255 Ohm
Resistor
Input Mode Select
12
OUTPUT CONTROL