MOXA EDS-508A-MM-SC

Product Name: Moxa EDS-508A Series Managed Ethernet Switch, 6×10/100BaseT(X) + 2×100BaseFX MM SC

Product Introduction: Enhanced Layer-2 managed switch with larger MAC table, more advanced security & diagnostics compared to EDS-408A, suitable for critical process automation and substation networks.

Category: Others

Description

Differences vs EDS-408A:

Typically offers expanded VLAN support, port mirroring, bandwidth limiting, and enhanced SNMP MIBs
MAC Table: 8 K (same), but newer firmware supports additional RMON groups & advanced port diagnostics
Often used where IEC 61850-3/ IEEE 1613compliance is required (verify specific -MM-SC suffix certification)

Core Specs same as EDS-408A unless noted:

6 × 10/100BaseT(X) RJ45 + 2 × 100BaseFX Multi-Mode SC (1310 nm, 4–5 km)
Power: 12/24/48 VDC redundant, alarm relay
Dimensions: 53.6 × 135 × 105 mm, IP30 metal, DIN-rail
Operating Temp: -10 to +60 °C (wide-temp -T models available)
Certifications: UL 508, CSA C22.2, EN 60950-1, IEC 61850-3, IEEE 1613, NEMA TS2

Woodward EGCP-3 (8406-113) — Engine Generator Control Package (LS Version)

Product Name: Woodward EGCP-3 (Engine Generator Control Package) — Part No. 8406-113 (Load Share version with LCD & Keypad)

Product Introduction: Integrated microprocessor-based control for diesel or gas generator sets providing start/stop sequencing, speed (governor) & voltage (AVR) control, synchronization, load sharing, and comprehensive generator protection.

Control Functions:

Auto start/stop with crank, warm-up, cool-down timers
Speed control via 4–20 mA or PWM to governor
Voltage regulation interface to AVR (raise/lower)
Isochronous / Droop / Base Load modes
Automatic synchronizer (phase, voltage, frequency match)
kW & kVAR load sharing (LS version) for multi-gen paralleling or import/export with utility
Protective relays: over/under voltage, over/under frequency, overcurrent (definite/inverse time), reverse power, overspeed, low oil pressure, high coolant temp (via DI mapping)

I/O & Communication:

Discrete I/O: typically 16 DI / 16 DO (relay)
Analog I/O: 4–20 mA inputs for process signals; speed bias & voltage bias outputs
Display: 2-line × 16-character or 4-line LCD + 15-key membrane keypad (model dependent)
Comm: RS-485 Modbus RTU, Woodward ServLink (for multi-unit coordination), optional CAN

Electrical:

Supply: 18–32 VDC (24 VDC nominal)
Voltage Sensing: 3-ph 120–600 V AC (via PT)
Current Sensing: via CT (1 A / 5 A)
Power Consumption: ~15 W

Mechanical & Environment:

Enclosure: NEMA 4 / IP56 front face (typical for panel mount version)
Mounting: panel cutout or rack-mount variant
Operating Temp: -20 to +70 °C
Storage: -30 to +80 °C
Weight: ~4.3 kg (panel version)

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