
POINT I/O Very High Speed Counter Module
The 1734-VHSC24 is a POINT IO 24VDC High-Speed Counter Module mediates between customer's process signals and the POINT BUS back plain module which conveys command information, via the signal conditioner and the function block. It is a cUL-us, CE certified, and DIN rail mounted counter module with an open-style enclosure. The 1734-VHSC24 24V weighs approximately 1.15 oz, with dimensions of 2.21in x 0.47in x 2.97in. It has a load-dependent power dissipation of 1.9W, and a maximum thermal dissipation of 6.5 BTU/hr, which is equally load-dependent. The 1734-VHSC24 24V has an operational shock rate of 30G and a vibration of 5G at 10-500HZ. It functions best at a temperature range between -4 and 131 deg. Fahrenheit at 5-95% non-condensing relative humidity.
Technical specifications
| Part Number/Catalog No. | 1734-VHSC24 |
| Series | POINT I/O |
| Counter | 1 |
| Module Type | Very High Speed Counter Module |
| Input Voltage | 24 Volts DC |
| No. of Inputs | 1 – 1 group of A/Aret, B/Bret and Z/Zret |
| Output Groups | 1 of 2 |
| Input Filter selections | Off; 10 ?s; 100 ?s; 1.0 ms; 10.0 ms |
| Maximum input frequency | 1.0 MHz counter and encoder X1 configurations 500 kHz encoder X2 configuration (no filter) 250 kHz encoder X4 configuration (no filter) |
| No. of Outputs | 1 isolated group of 2 capable of 0.5 A @ 24V DC |
| Output Voltage Range | 10…28.8V DC |
| Key Switch Position | 2 |
| Power Dissipation | 1.9 Watts |
| Thermal Dissipation | 6.5 BTU/hour |
Application Areas

1. Motion control and position monitoring
With its 24-bit high-speed counter and 1MHz counting frequency, the 1734-VHSC24 module is widely used in position feedback and speed monitoring of servo motors and stepper motors. It is particularly suitable for automation equipment that requires high-precision position control, such as CNC machine tools, robot joint control, and printing machinery registration systems.
2. Production line speed and flow measurement
In industries such as packaging, food processing, and logistics sorting, the module can accurately measure encoder pulses, monitor conveyor belt speed, bottle counts, or flow sensor signals in real time, and ensure stable production rhythm. For example, on a beverage filling line, it can synchronously detect the position of the bottle to ensure accurate filling.
3. Safety and fault diagnosis system
Combined with dual-channel differential input and programmable filtering functions, the 1734-VHSC24 is suitable for speed monitoring and overspeed protection of rotating equipment (such as fans and pumps), or for vibration signal acquisition in predictive maintenance systems. In the fields of energy and heavy industry, its high reliability design can meet the requirements of SIL2 safety applications.
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