D20/D200 Technical Overview
GE Grid Solutions
56
PRPI-019-3.00-10
GE Information
2.4.8.5 D20K Specifications
Table 12 D20K Specifications
Item
Description
Processor
8-bit Freescale 68HC11 MPU
Clock
2 MHz MPU clock
Memory
•
32 KB EPROM
•
24 KB static RAM
•
512 bytes EEPROM
Control Outputs
•
32 open collector drivers for relays
•
Four additional open collector drivers for dedicated Master Trip/Close and Test
Breaker relays
Output Types
•
Momentary (fixed)
•
Latching
•
Trip/Close (T/C)
•
Raise/Lower (R/L)
•
Pulse duration
•
Pulse train
Non-matrixed output
configurations
•
32 T/C pairs
•
24 T/C + 4 R/L pairs
•
16 T/C + 8 R/L pairs
•
8 T/C + 12 R/L pairs
•
16 R/L pairs
•
32 isolated Form-C contact outputs
•
Optional 32 isolated open-drain outputs, rated 150 mA @ 60VDC
Contact ratings & types
(typical)
D20K:
•
Momentary relays: 60 W max, 3 A max, 220 VDC max. (1 Form C or A)
D20KI:
•
Interposing relays: 10 A @ 150 VDC (1 Form X), 5 A @ 150 VDC (2 Form A), 3
A @ 150 VDC (2 Form C)
•
Interposing relays: 10 A @ 28 VDC (2 Form C or A)
•
PRD Series Relays:
−
PRD3, 20 A @ 125VDC, 1 Form X
−
PRD11, 20 A @ 125VDC, 2 Form C, 24VDC coil
−
PRD11, 20 A @ 125VDC, 2 Form C, 48VDC coil
•
Latching interposing relays: 10 A @ 28 VDC or 240 VAC (2 Form C)
•
Interposing relays (heavy duty): 20 A @ 125 VDC, 30 A @ 240 VAC (1 Form A)
Coil Status Check
Every 500 µs
Contact Duration
Programmable 1 to 2
15
ms in 1 ms intervals (protocol dependent)
Switches
Local Enable/Disable Switch
Component Isolation Rating
1500 Vrms
Dielectric Rating
1000 VDC
D.20 Link Ports
2
