149986-01 Spare 16-Channel Relay Control Module Bently Nevada

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Essential details：149986-01 Spare 16-Channel Relay Control Module Bently Nevada

149986-01

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The G448 has 11 input range switch settings. Trim potentiometers allow 50% input zero and span adjustablity within each of the 11 full-scale, input ranges.
For example, the 200mV switch setting in Table 1 configures the input for a 0 to 200mV range. Since the span can be contracted by 50%, this enables an input span as narrow as 100mV of the range, or 50%. This span can be positioned anywhere within the 0-200mV range with a zero off-set as large as 50% of the full scale range (e.g. 100 to 200mV input).
Unless otherwise specified, the factory presets the Model G448 as follows:
Input Setting: 0 to 50mV
Input Range: 0 to 30mV (3mV/V)
Excitation: 10V
Operation: Direct
Output: 4 to 20mA
The DC power input accepts any DC source between 18 and 30V, typically a 24VDC source is used (see Accessories). For other I/O ranges refer to Tables 1 through 4 and reconfigure switches SW1 and SW2 for the desired input range, function, excitation and output range.