Replacement for Obsolete C3235 1 ms SOE Board in SAGE RTU
Issue:
The C3235 1 ms SOE expansion board is obsolete and no longer available for SAGE RTUs.
Product:
Sage RTU Series (SAGE 1X10, 1X30, 1X50, 2X00, 3030X)
Environment:
SAGE RTU installations requiring Sequence of Events (SOE) functionality with 1 ms resolution.
Cause:
The C3235 board has been discontinued and replaced by the updated C3835 PC104 1 ms SOE board, which offers improved performance and expanded capacity.
Resolution:
Replace the C3235 board with the C3835 PC104 1 ms SOE board:
- Enhanced Features: Updated DSP for faster speed and lower power consumption.
- Capacity: Supports up to 512 SOE points per RTU (two boards at 256 points each).
- Compatibility: Maintains use of existing status input boards via the same 20‑pin ribbon cable.
- Installation Notes:
- Remove C3235 boards and install C3835 on the PC104 stack.
- Reuse existing status input cabling.
- Configure jumpers: W1 (IRQ signal), W2 (board address).
- Ensure W6 on the SAGE 2400 baseboard is set to INT.
- Firmware Requirement: C3414‑500‑S02J2 or later.
- Part Number:
- C3835 SOE board: C3835‑000‑00001
- Cut sheet:
- Please check the attached document.