DS200SIOBH1A | GE DS200 4-Port RS-232/485 Module In Stock

Description

Product Core Brief

• Model: DS200SIOBH1A
• Brand: General Electric (GE)
• Series: Mark V DS200
• Core Function: Enhanced high-speed serial communication board
• Product Type: High Speed Serial I/O (4 ports, A revision)
• Key Specs: 4 x RS-232/485 | 921.6 kbps | 128-byte FIFO | Removable terminals | Enhanced ESD
• Condition: New Original.

Product Introduction

The DS200SIOBH1A is an enhanced high-speed serial communication board for GE’s Mark V DS200 series, used in Speedtronic turbine control systems. It provides four independently configurable RS-232 or RS-485 serial ports at data rates up to 921.6 kbps, with removable terminal blocks for easier field wiring.

The “A” revision of the SIOBH1 upgrades the base board with removable screw terminal blocks (original used a 26-pin breakout cable), improved ESD protection (±15 kV contact), and extended temperature range (−40°C to +75°C). No more dealing with a breakout cable—each port has its own dedicated 3-position or 5-position removable terminal block. Use it for high-speed data logging, fast PLC communication, or connecting modern HMIs in harsh industrial environments.

Key Technical Specifications

Key Selling Points & Differentiators (A Revision Specific)

• Removable terminal blocks per port – No breakout cable. Each port has its own 3-position screw terminal block. Replace a damaged block without rewiring the entire board.
• Enhanced ESD protection (±15 kV contact) – Original SIOBH1 had ±4 kV. Meets IEC 61000-4-2 Level 4. Field technicians without wrist straps will not damage the board.
• Extended temperature range (−40°C to +75°C) – Operates in unheated enclosures and outdoor cabinets. Original rated −40°C to +70°C (slightly extended).
• Color-coded terminal blocks – Port 1 (gray), Port 2 (black), Port 3 (blue), Port 4 (green). Reduces wiring errors.
• Integrated terminal blocks for RS-232 and RS-485 – Same 3-position block used for both modes (TX/RX/GND for RS-232; A/B/GND for RS-485). Wiring diagram printed on board.
• Torque card included – Laminated card with torque settings (0.5–0.6 Nm).
• QC includes 921.6 kbps loopback test with terminals – All 4 ports at maximum baud rate for 24 hours, zero bit errors. Terminal screw torque verified.
• 2-year warranty

Frequently Asked Questions (FAQ)

Q: What is the difference between SIOBH1 (base) and SIOBH1A (A revision)?

Q: Can I replace a base SIOBH1 (with breakout cable) with an SIOBH1A without changing my wiring?
A: Yes—electrically identical. However, the breakout cable uses a 26-pin connector; the SIOBH1A uses individual terminal blocks. You will need to cut off the old cable’s DB9 connectors and land the individual wires onto the new terminal blocks (3 wires per port). Allow 2–3 hours. We offer a pre-wired adapter cable (26-pin to 4 x terminal block headers) as an accessory.

Q: How do I wire RS-232 to the terminal block?
A: Port block has 3 positions: TX (transmit from board), RX (receive to board), GND. Connect TX to device RX, RX to device TX, GND to GND. For hardware flow control (RTS/CTS), use the auxiliary 2-position block (5 wires total). See silkscreen on board.

Q: How do I wire RS-485 to the terminal block?
A: Port block has 3 positions: A (non-inverting), B (inverting), GND (optional). Connect A to A of other device, B to B. GND improves noise immunity. Termination (120Ω) and bias (560Ω) are enabled via DIP switches—no external resistors needed.

Q: What torque for the screw terminals?
A: 0.5–0.6 Nm (4.4–5.3 lb-in). Use a torque screwdriver. The terminals accept 12–24 AWG solid or stranded wire. Ferrules recommended for fine-stranded wire (18–24 AWG). Torque card included.

Q: Does the SIOBH1A support RS-422 (4-wire full duplex)?
A: Not directly. For RS-422, use two ports: one configured as RS-485 (TX+ and TX-), the other as RS-485 (RX+ and RX-). Contact us for wiring diagram.

Q: What QC tests are specific to the SIOBH1A?
A: Ten tests (plus terminal-specific):

1. RS-232 loopback at 921.6 kbps: 10 million bytes per port, zero errors
2. RS-485 loopback at 921.6 kbps: 10 million bytes per port, zero errors
3. Terminal block screw torque: 0.55 Nm verified (all screws)
4. ESD test: ±15 kV contact, 10 discharges per port, no damage
5. Low temperature operation: −40°C for 4 hours, full functionality
6. High temperature operation: +75°C for 4 hours
7. Isolation: port to backplane at 3000 VAC; port to port at 1500 VAC
8. FIFO test: continuous transmission at 921.6 kbps
9. LED test: all TX/RX and blue speed LEDs
10. Burn-in: 72 hours at +65°C, all ports at 921.6 kbps continuous loopback

Q: What shipping protection?
A: Anti-static bag, ESD foam cradle with cutouts for 4 terminal blocks (blocks shipped installed). Double-wall box with “ESD SENSITIVE,” “FRAGILE” labels. Spare terminal blocks in separate bag. DIP switch configuration guide laminated. Spare termination resistors included. Torque card included. Each board ships individually.

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