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GE Fanuc Emerson RSTi PacSystem ST-1904

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ST-1904

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The ST-1904 module from GE Fanuc Emerson's RSTi PacSystem functions as a discrete input module. It is equipped with 4 digital inputs to handle control signals effectively.

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Technical specifications for ST-1904

ManufacturerGE Fanuc Emerson
Product TypeDiscrete Input Module
Product LineRSTi PacSystem
Part NumberST-1904
Weight2.00 lbs (0.91 kg)
Digital Inputs4
Nominal Input Voltage240V AC
Input Voltage Range170-264V AC
Points per Common4
Input ImpedanceApproximately 22K Ohms
Input Signal Delay10 ms
On-State Trigger Voltage170-264V AC
Off-State Trigger Voltage130V AC
Maximum On-State Current per Point12 mA at 264V AC
Storage Temperature-40°C to +85°C
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The GE Fanuc Emerson ST-1904 module is part of the RSTi PacSystem series. This discrete input module can manage 4 digital inputs, providing a reliable interface for control system signals. Designed for nominal input voltage operations of 240V AC, it accommodates an input voltage range from 170 to 264V AC.

The ST-1904 module efficiently organizes input points with 4 points per common. Its input impedance is roughly 22K Ohms, ensuring it remains compatible with various sensors and switches. With an input signal delay of 10 milliseconds, the module responds promptly to changes in input states.

The on-state trigger voltage falls within 170 to 264V AC for operational consistency, while the off-state trigger voltage is maintained at 130V AC. Regarding current handling, each point can sustain a maximum on-state current of 12 mA when operating at a peak voltage of 264V AC.

In terms of dimensions, the module has a compact form factor measuring 70 mm wide, 12 mm in depth, and 99 mm in height. Its construction is suitable for a wide range of environments, as it remains functional even under extreme temperatures, with a storage temperature capability ranging from -40°C to +85°C.