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D20/D200 Technical Overview
Several types of power supplies are available for D20/D200 systems:
Power Supply Type
Standard chassis-
mounted
External
Redundant
For a listing of available power supplies, refer to section 2.5, D20/D200 Power Supplies and
Chargers.
1.6.5 Modems
GE Grid Solutions offers a wide range of D20/D200 modems to provide communication between
the D20/D200 and SCADA host computers or remote devices, including proprietary WESDAC
modems and third-party modems from vendors such as Telenetics
information, see section 2.6, D20 Modems.
1.7 I/O Peripherals
A range of I/O peripherals is available to provide expandable input/output functionality for the
D20/D200.
The following types of I/O peripherals meet various input/output requirements.
• D20A – 32-channel DC analog input module
• D20K – 32 control relay module
• D20KI – 8 interposer relay module (up to four D20KIs per D20K)
• D20S – 64-channel digital input module
• D20C – Combination of 16 digital inputs and 8 digital outputs. Optional 16 analog inputs, or
8 analog inputs and 8 analog outputs.
20
Table 3 D20/D200 Power Supplies
•
Chassis-mounted
•
Switch-mode converters
•
Provides power for all modules in the chassis, including the main processor, VME
cards, modems.
Required for large numbers of I/O peripherals or modems.
Provides fail-over protection and delivers continuous power to the D20 modules and
peripherals.
Figure 14 D20A I/O Peripheral
PRPI-019-3.00-10
Features
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and Westermo. For more
GE Grid Solutions
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