Specification; Example - Emerson PACSystems RSTi User Manual

User Manual
GFK-2745C
3.3.2

Specification

The following table describes the Input Specifications and the General Specifications for ST-
7111.
Table 7: ST-7111 Input and General Specifications
Items
Input Specification
System Input Voltage range
System Power Input Voltage
Field Power Input Voltage
RSTi Bus Output Voltage
Field Power Contacts Current
Indicators
General Specification
Wiring
Weight
Module Size
Environment Condition
3.3.3

Example

When you are using a RSTi setup that requires more than 1.5A for system power (+5v) or
10A of field power, you will need to add a ST-7111 expansion power module to ensure that
enough power will be available to all the ST Modules.
Figure 15: Example ST-7111
Power Modules
Specification
11Vdc to 28.8Vdc
Normal 24Vdc
Normal 24Vdc (±20%)
Maximum 5Vdc, 1A
Maximum 10A
2 Green Input state
I/O Cable Maximum 2.0mm²(AWG 14)
70g Maximum
12mm x 99mm x 70mm
See "Environmental Specifications" in Appendix A.
Chapter 3
Nov 2019
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