CT-121F: 16 channel digital input/24VDC/ Sink type

CT-121F：16 channel digital input/24VDC/ Sink type/The input high level is valid Module features ◆ the module supports 16 channels digital input, supports sink input, and input voltage is 24VDC. ◆ the module can collect digital output signal of field equipment (dry contact or active output). ◆ the module can be accessed to 2-wire or 3-wire digital sensor. ◆ the internal bus and field input of the module use opto-isolator. ◆ the module supports the input signal holding function, and the holding time can be set. ◆the module carries 16 digigtal input channels with LED indicator on each channel. ◆ supports counting function, by adding counting sub-module. ◆ each input channel of the module supports a 32-bit counter with the counting frequency <200Hz. ◆ the module can set the digital signal input filtering time and the byte transmission order of the counter. ◆ each channel of the module can set the counting mode and counting direction independently.

product details

Product Details 1. Module Type 2. State indicator 3. Channel indicator 4. Wiring Terminal and identification 5. Internal Bus 6. Field Power 7. Buckle 8. Grounding Resilient Sheet 9. Fixed Wiring Harness Technical Parameters General parameters Power Consumption: Max.60mA@5.0Vdc Isolation: I/O to internal bus: opto-couple isolation (3KVrms) Field Power: Nominal:24Vdc, Range:19.2-28.8Vdc Wiring: Max.1.5mm² (AWG 16) Mounting Type: 35mm DIN-Rail Size: 115*14*75mm Weight: 65g Environment Specification Operational Temperature: -35~70℃ Operational Humidity: 5%-95% (No Condensation) Protection Class: IP20 Input parameters Channel Number: 16 channel sink input LED Indicator: 16 channel input LED indicator Turn-on voltage: Min.10Vdc to Max.28Vdc Turn-off Voltage: Max.5Vdc Turn-on current: Max.5mA/channel@28V input impedance: >7.5kΩ Input delay OFF to ON: Max.3ms ON to OFF: Max.2ms filter time Default: 10ms Sample frequency: 500Hz Counter frequency: <200Hz Application