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The ST-122F from GE Fanuc Emerson is a discrete input module part of the RSTi Slice I/O series. It features 16 inputs functioning at an input voltage of 12/24V DC with negative logic operations.
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| Manufacturer | GE Fanuc Emerson |
|---|---|
| Product Type | Discrete Input Module |
| Product Line | RSTi PacSystem |
| Part Number | ST-122F |
| Weight | 2.00 lbs (0.91 kg) |
| Number of Inputs | 16 |
| Input Voltage | 12/24V DC |
| Logic Type | Negative Logic |
| Input Voltage Range | 10.2 to 28.8V DC |
| Input Impedance | About 5.1 kilohms |
| Typical Filtering Time | 1.5 ms |
| On-State Trigger Voltage | 10.2 to 28.8V DC |
| Off-State Trigger Voltage | 5V DC |
| Maximum On-State Current per Point | 6 mA at 28.8V DC |
| Maximum Internal Power Consumption | 45 mA at 5V DC |
The GE Fanuc Emerson ST-122F is designed as a discrete input module for the RSTi PacSystem series. This model accommodates a total of 16 discrete inputs, enhancing its activity scope in various control environments. It operates between the input voltage levels of 12 to 24V DC with the flexibility to accept a more extensive range from 10.2 to 28.8V DC.
Configured to utilize negative logic, the ST-122F enables precise signal interpretation for specific input conditions. The associated input impedance is approximately 5.1 kilohms. Its capability for immediate response is underscored by a typical filtering time of 1.5 milliseconds.
For effective functioning, the module requires an on-state trigger voltage from 10.2 to 28.8V DC, while the off-state trigger voltage is set at 5V DC. In terms of current management, each point is limited to a maximum on-state current of 6 mA with a voltage rating of 28.8V DC. Additionally, it is crucial to note that the maximum internal power consumption for this module stands at 45 mA when operating at 5V DC, ensuring it remains efficient during usage.