| Specification |
Details |
| Model |
9907-167 |
| Series |
505E (Second Generation) |
| Type |
Digital Governor for Steam Turbine Control |
| Power Supply |
Low Voltage DC, 18–32 VDC (24 VDC nominal), 1 A |
| Processor |
32-bit microprocessor |
| Inputs |
16 contact inputs (4 dedicated, 12 programmable), 6 programmable current inputs (4–20 mA), 2 speed sensor inputs (MPU/Prox) |
| Outputs |
6 relay outputs (programmable), 2 actuator outputs (4–20 mA or 20–160 mA), 2 configurable analog outputs (4–20 mA) |
| Communication |
2 serial ports (RS-232/RS-422/RS-485), Modbus RTU/TCP, optional Ethernet |
| Display |
2-line x 24-character LCD, 30 multi-function keypad |
| Control Functions |
Single extraction/admission control, critical speed avoidance, auto start sequence, valve limiters, first-out shutdown indicator, cascade control, remote setpoint |
| Operating Modes |
Isochronous, droop, load sharing, extraction/admission pressure control |
| Enclosure |
NEMA 4 (standard), optional NEMA 4X (watertight, dust-tight) |
| Operating Temperature |
-25°C to +65°C (-13°F to +149°F) without NEMA 4X; up to +55°C (+131°F) with NEMA 4X |
| Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
| Relative Humidity |
95% non-condensing at 20–55°C |
| Vibration |
4 G, 5–500 Hz |
| Shock |
20 G peak |
| Dimensions |
356 mm x 279 mm x 102 mm (14 in x 11 in x 4 in) |
| Weight |
Approximately 4.1 kg (9.11 lbs) before shipping |
| Mounting |
Front panel mount |
| Certifications |
CE, UL, cUL, Class 1 Div. 2 (Groups A, B, C, D) |
| System Compatibility |
Woodward MicroNet, NetCon, split-stage actuators, industrial steam turbines |
