DIGITAL DC INPUT MODULES
G4 Family Data Book 35
Digital DC Input Modules
Description
Opto 22’s G4 DC input modules are used to detect on/off DC voltage levels.
Each module provides up to 4,000 V
UPV
of optical isolation between field
inputs and the logic output of the circuit.
All DC input modules except the G4IDC5K and the G4IDC5D are designed
with filtering on the input and a hysteresis amplifier, providing high noise
rejection and transient-free, “clean” switching. The G4IDC5K is a
fast-switching module used to detect signals produced by photoelectric
switches and TTL devices. The low-cost G4IDC5D is used for data
acquisition. The G4IDC5MA is a special module featuring a
manual-on/manual-off/automatic switch, ideal for diagnostic testing of
control applications.
Typical applications for DC input modules include sensing the presence or absence of voltage with devices such as
proximity switches, limit switches, selector switches, push buttons, photoelectric switches, and TTL-compatible
devices. All modules include a built-in LED status indicator.
Specifications
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