GE IS200DRLYH1AAA Relay Output Terminal Board

GE IS200DRLYH1AAA Relay Output Terminal Board

د.إ8,888.00

⚙️ Core Function and System Role

The IS200DRLYH1AAA’s primary purpose is to interface the low-voltage digital commands of the Mark VI controller to the high-power devices in the field, providing crucial electrical isolation.

  • Relay Output Interface: It provides 12 Form-C dry contact output relays.2 These relays act as electrical switches that enable the control system to turn external devices (like valves, solenoids, or contactors) ON or OFF.
  • Dry Contacts: The contacts are “dry,” meaning the board does not supply power to the load.3 The external load power (AC or DC) must be supplied by the customer, which the relay then switches.
  • Simplex Configuration: The DRLY board is designed for Simplex operation only (non-redundant systems). It connects to a single I/O processor board, such as the VCCC or VCRC (Contact Input/Output Boards), via a single 37-pin cable connector.4
  • Expansion: Two DRLY boards can be connected to a single VCCC or VCRC processor, effectively doubling the output capacity to 24 contacts.5
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التصنيف:

الوصف

The GE IS200DRLYH1AAA is a Simplex Relay Output Terminal Board (functional acronym DRLY) manufactured by General Electric (GE) for the Mark VI Speedtronic Turbine Control System.1

The letters ‘AAA’ indicate a specific revision level and assembly configuration of the base IS200DRLYH1 board.

⚙️ Core Function and System Role

The IS200DRLYH1AAA’s primary purpose is to interface the low-voltage digital commands of the Mark VI controller to the high-power devices in the field, providing crucial electrical isolation.

  • Relay Output Interface: It provides 12 Form-C dry contact output relays.2 These relays act as electrical switches that enable the control system to turn external devices (like valves, solenoids, or contactors) ON or OFF.
  • Dry Contacts: The contacts are “dry,” meaning the board does not supply power to the load.3 The external load power (AC or DC) must be supplied by the customer, which the relay then switches.
  • Simplex Configuration: The DRLY board is designed for Simplex operation only (non-redundant systems). It connects to a single I/O processor board, such as the VCCC or VCRC (Contact Input/Output Boards), via a single 37-pin cable connector.4
  • Expansion: Two DRLY boards can be connected to a single VCCC or VCRC processor, effectively doubling the output capacity to 24 contacts.5

📋 Technical Characteristics

Feature Detail
Manufacturer General Electric (GE)
Series Mark VI Speedtronic Turbine Control System
Product Type Simplex Relay Output Terminal Board (DRLY)
Relay Type 12 Form-C (Single-Pole Double-Throw, SPDT) Dry Contact Relays
Contact Configuration Two Normally Open (NO) and two Normally Closed (NC) contacts per relay, typically wired in series for safety.
Coil Power Nominal $28 \text{ V}_{\text{DC}}$ supplied from the connected VCCC/VCRC processor board.
Physical Design Wall-mountable (not DIN-rail).
Onboard Components No jumpers, fuses, or configurable hardware; external suppression is typically required.
Indicators Includes a Green LED for $28 \text{ V}_{\text{DC}}$ coil power status and Yellow LEDs on each relay to indicate when the coil is energized.

The key difference from the larger TRLY boards is that the DRLY is a compact, simplex version that relies on the customer to provide all external power suppression.6

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