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SPECIFICATIONS:
Part Number: IS200SSCA2AEC
Manufacturer: General Electric
Series: Mark VIe
Product Type: Simplex Serial Communications Terminal Board
Board Type: Compact Serial Communication Terminal Board
Supported Protocols: RS-232, RS-422, RS-485
Termination Jumpers: JP1A–JP6A
Number of Channels: 6
Repair: 3-5 Days
Size: 15.9 cm high x 10.2 cm wide
Technology: Surface-mount
Product of Origin: United States
Availability: In Stock
Manual: GEH-6721D
FUNCTIONAL DESCRIPTION:
IS200SSCA2AEC is a Simplex Serial Communications Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in Distributed Control Systems. The SSCA board is a compact serial communication terminal board designed to deliver reliable connectivity in industrial and automation systems. It provides up to six independent communication channels, each configurable for RS-232C, RS-485, or RS-422 signaling, allowing seamless integration with a wide range of devices. The board is available in a simplex configuration only and features high-density Euro-style box terminal blocks, ensuring secure, space-efficient wiring.
Equipped with an on-board ID chip, the SSCA board uniquely identifies itself to the PSCA I/O pack, enabling automatic diagnostics and system monitoring for enhanced reliability. Its combination of flexible channel options, compact design, and built-in diagnostic capabilities makes it ideal for distributed control systems, industrial automation setups, and other mission-critical communication applications. In the Mark VIe systems, the PSCA I/O pack works with the SSCA. The I/O pack plugs into the DC-37 pin connector and communicates with the controller over Ethernet. Only simplex systems are supported.
INSTALLATION:
The SSCA board is mounted on a DIN-rail using a sheet metal carrier and plastic insulator mount. This assembly will also bolt directly into a cabinet. Typically, SSCA uses #18 AWG (shielded twisted pair) wiring. The I/O cable shield termination is on an external mounting bracket supplied by the customer or by GE. The chassis ground connection uses E1 and E2 as mounting holes. One of the SCOM terminals (37-48) must be connected to a suitable shield ground.
OPERATION:
The SSCA2A terminal board includes six connection points for each of the six serial communication channels. The points include four signal lines A-D, a signal return, and a shield common (SCOM). The signals for all six serial communication channels are arranged in the same order. Viewing into the box terminals, the signal order is SCOM, A, B, C, D, Ret viewed left to right. The groups of six signals for a serial channel are assigned to terminals adjacent to each other. Viewing the bottom set of terminals, the channels are five, four, and one, viewed left to right. The top set of terminals contains channels six, three, and two viewed left to right. The board SCOM connections are grouped on the right side of the terminals. A simple diagram is included on SSCA to aid in identifying signal locations.
When using RS-422 or RS-485, there is a need to provide a termination resistor at either end of a transmission line. SSCA provides selectable termination resistors for each pair of signal lines. Jumpers JP1A and JP1B apply or remove the termination resistors between signals A-B and C-D. The same function is repeated for each serial communication channel. The default jumper position is to disconnect the termination resistor. The SSCA is clearly marked to show the relationship of the termination jumpers and the serial communication channel signals.
CONFIGURATION:
The terminal board configuration is performed using jumpers. For the exact jumper locations, please refer to the operation section of the manual. The jumper functions are as follows:
All other PSCA configurations are managed through the toolbox software. The choice of serial communication protocol-RS-232, RS-422, or RS-485-is handled electronically within the PSCA, eliminating the need for manual selection.
WOC offers the largest inventory of OEM replacement parts for GE Distributed Control Systems, ensuring that you have access to high-quality, reliable components when you need them most. In addition to supplying unused OEM parts, we also provide repaired and rebuilt boards, all backed by a warranty for your peace of mind. Our experienced team of automation experts is available 24/7 to assist with any OEM-related requirements, from troubleshooting and repairs to recommending the right replacement parts. Whether you need support for urgent system repairs or routine maintenance, WOC is committed to delivering fast, dependable solutions tailored to your needs. For detailed pricing, availability, or technical assistance regarding parts and repairs, please reach out to our team via phone or email, and we will be happy to provide prompt support.
What is IS200SSCA2AEC?
IS200SSCA2AEC is a compact serial communication terminal board used in industrial automation systems. It provides up to six serial communication channels that can be individually configured. The board is designed for reliable data transfer and system integration within a PSCA I/O pack.
Which communication protocols does it support?
The board supports RS-232, RS-422, and RS-485 communication protocols. The selection is done electronically within the PSCA, eliminating the need for manual configuration. This ensures seamless compatibility with various serial devices.
How is the board configured?
Configuration is done using jumpers to set termination resistors and select resistive or capacitive return paths for each channel. All other settings are managed through the toolbox software, providing easy software-based control.
