When redundant power supplies are running, current sharing circuitry balances the load to reduce heat
and improve the reliability of the power supplies.
In the event that on supply needs to be replaced, the recommended method for changing
Power Modules is with the power off (to the module being removed and the module being inserted).
The system will tolerate this “cold swap” method without failure.
Each main power supply has four LEDs to indicate power supply health (OK, Input Fault,
Overtemperature, and Power Supply Fault).

See MicroNet Plus Power Supply Troubleshooting (Section 5.5) for a description of the LED indications.
Input power connections are made to the power supply through a plug/header assembly on the front of
the power supply.
For redundant operation, the control can use any combination of power supplies.
The power supplies can only be installed into slots PS1 (power supply #1) and PS2 (power supply #2). If
redundant power supplies are not needed, blanking plates must be installed in the slots not being used.
Branch circuit fuses, circuit breakers, and wiring must meet appropriate codes and authorities having
jurisdiction for the specific country (CE, UL, etc.). See Table 4-3 for maximum recommended fuse or
breaker ratings. Do not connect more than one main power supply to any one fuse or circuit breaker. Use
only the wire sizes specified in Table 4-3. which meet local code requirements.
| Woodward | 5541-705 | Flex500DR FTM Kit – DR FTM, Interconnection Cables 5541-705 | |
| Woodward | 8200-1100 | Distributed I/O Module - RTCnet RTD (100/200ohm) 8200-1100 | |
| Woodward | 8200-1101 | Distributed I/O Module - RTCnet T/C (Fail High) 8200-1101 | |
| Woodward | 8200-1103 | Distributed I/O Module - RTCnet AIO Loop power 8200-1103 | |
| Woodward | 8200-1104 | Distributed I/O Module - RTCnet DIN (16ch) 8200-1104 | |
| Woodward | 8200-1105 | Distributed I/O Module - RTCnet DOUT (16ch) 8200-1105 | |
| Woodward | 8928-5311 | RemoteView Software License 8928-5311 | |
| Woodward | 8273-1017 | 2300E – Hardware Only, Ordinary Locations 8273-1017 | |
| Woodward | 8273-1018 | 2300E – Hardware Only, Zone 2 Hazardous Locations 8273-1018 | |
| Woodward | 8200-1343 | Flex500 – Front Panel Mount, LVDC, OCP 8200-1343 | |
| Woodward | 8200-1344 | Flex500 – Front Panel Mount, HVAC/DC, OCP 8200-1344 | |
| Woodward | 8200-1345 | Flex500 – Front Panel Mount, LVDC, Zone-2, OCP 8200-1345 | |
| Woodward | 8200-1353 | Flex500 – Back Panel Mount, LVDC 8200-1353 | |
| Woodward | 8200-1354 | Flex500 – Back Panel Mount, HVAC/DC 8200-1354 | |
| Woodward | 8200-1355 | Flex500 – Back Panel Mount, LVDC, Zone-2 8200-1355 | |
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