Figure 8 Typical Point Schematic; Figure 9 Example Connections - ABB XSeriesG4 User Manual

— Short circuit leakage current: -395 uA typical.
— Input capacitance: 0.1 ufd typical.
— Maximum allowable voltage range on input: -0.5Vdc to 15Vdc.
— Maximum frequency input: 100 KHz @ 50% duty cycle with de-bounce enabled.
— Maximum frequency input: 20 KHz @ 50% duty cycle with de-bounce disabled.
3.6.2.2 Input Specification
— Dry Contact (form A): Open Collector or Active Voltage.
— Minimum contact resistance to activate input: 1000 Ω.
— Voltage threshold to deactivate the input: 3.1 V (referenced to GND terminal.).
— Voltage threshold to activate the input: 0.5 V (referenced to GND terminal.).
— Conductor pairs must be shielded to prevent spurious signals.
3.6.2.3 Typical Point Schematic
NPN
FIELD DEVICE
SIGNAL
OUTPUT
COMMON (GND)
3.6.3 Digital Output
G4
The Totalflow XFC provides two digital (12 Vdc) outputs as a means to control external equipment.
+5
SIG
1K
.1UF
DEBOUNCE SELECT
GND

Figure 8 Typical Point Schematic

POINT CONNECTIONS
SIG
SIG SIG
OPTO
SWITCH
COUPLER
GND
GND GND
OR OR
TYPICAL VOLTAGE INPUT FIELD
15 VDC MAX.
3.1 VDC
SIG
0.5 VDC
-0.5 VDC MIN.
GND

Figure 9 Example Connections

29
10K
INPUT SENSE
+5
10K
SIG
1K
.1UF
DEBOUNCE SELECT
GND
+5
10K
SIG
1K
.1UF
DEBOUNCE SELECT
GND
XFC G4 2103335 Rev AB
INPUT SENSE
INPUT SENSE