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The GE DS200UDSAG1A DS200UDSAG1ADC relay board provides high-power switching for Mark V systems. This board controls contactors, solenoids, and alarm devices directly. You will find this relay board in Speedtronic Mark V control cabinets. Its sixteen relays handle both AC and DC loads up to 5 amps.
Relay Output Architecture
This relay board features sixteen independent form C relay contacts. Consequently, it switches multiple high-power devices from a single board. The GE DS200UDSAG1A DS200UDSAG1ADC includes both normally open and normally closed contacts. Moreover, each relay features an LED status indicator. You can monitor output states directly from the board.
Technical Specifications
| Parameter | Value |
|---|---|
| Output Channels | 16, relay (form C, SPDT) |
| Contact Rating | 5A at 250V AC or 30V DC |
| Coil Voltage | 24V DC (from backplane) |
| Response Time | 10 ms typical |
| Mechanical Life | 10 million operations |
| Electrical Life | 100,000 operations at rated load |
| Dimensions | 260mm x 180mm x 40mm |
| Weight | 0.88 kg (1.94 lbs) |
| PCB Layers | 4 |
| Onboard Components | 16 relays, 16 LEDs, 16 suppression diodes |
| Connector Count | 3 (ribbon cable to driver, field output, status) |
| Terminal Type | Screw clamp, 22-14 AWG |
| Status Indicators | 16 LEDs (one per channel, relay energized) |
| Energy Storage | None (passive board) |
| Isolation Voltage | 1500V (coil to contacts) |
| Contact Material | Silver alloy with gold flashing |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -25°C to +70°C |
Relay Contacts and Status Monitoring
The unit includes high-quality relays with form C contacts. Therefore, each channel provides both NO and NC connections. This board replaces the DS200UDSAG1ADC version without any wiring changes. Simply remove the old board and install this one. GE designed this relay board for single-slot installation. Hence, it fits directly into existing Mark V rack positions.
Four PCB layers separate coil traces from contact wiring. Three connectors handle all ribbon cable, field output, and status signals. The GE DS200UDSAG1A DS200UDSAG1ADC includes suppression diodes across each relay coil. Accordingly, it protects the driver board from inductive kickback. Sixteen LEDs show the energized state of every relay clearly.
Installation and Wiring Guide
You can terminate field wires using standard screw terminals. The terminals accept wire gauges from 22 AWG to 14 AWG. The GE DS200UDSAG1A DS200UDSAG1ADC works with all GE Mark V digital output modules. Always strip 6-8 mm of insulation before inserting wires. Proper torque on terminal screws prevents loose connections over time.
The relay contacts are mechanically isolated from the logic circuits. Do not exceed the maximum contact rating of 5A per channel. The GE DS200UDSAG1A DS200UDSAG1ADC provides reliable high-power switching for turbine systems. Installation requires only a flathead screwdriver for field wiring. This board operates in non-condensing environments with adequate clearance.