Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | PS407 wide-range power supply |
| Input voltage | 120 V DC, 230 V DC, 120 V AC, 230 V AC |
| Output voltage | 5 V DC and 24 V DC |
| Backplane bus output current, max. | 10 A at 5 V DC; 1 A at 24 V DC |
| Line frequency | 50 Hz and 60 Hz; permissible range 47 Hz to 63 Hz |
| Mains/voltage failure stored energy time | 20 ms |
| Active power input, typ. | 95 W |
| Power loss, typ. | 20 W |
| Required slots | 2 |
| Potential separation | Primary/secondary: Yes |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Equipment protection class | I, with protective conductor |
Applications
- Backplane bus power supply: Supplies the SIMATIC S7-400 backplane bus with 5 V DC and 24 V DC output power.
Key Features
- Wide-range input: Rated input values: 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
- Backplane bus output: 5 V DC output current for the backplane bus: max. 10 A, with no base load required; 24 V DC output current: max. 1 A, idling-proof.
- Line frequency: Rated line frequency: 50 Hz and 60 Hz; permissible range: 47 Hz to 63 Hz.
- Protection and isolation: Short-circuit protection, potential separation between primary and secondary, overvoltage category II, and equipment protection class I with protective conductor.
- Installation requirements: The hardware configuration requires 2 slots.
- Backup and buffering: Mains/voltage failure stored energy time is 20 ms. An optional backup battery is supported: 1x lithium AA, 3.6 V / 2.2 Ah.
Frequently Asked Questions
1. What input voltages does the PS407 power supply support?
It has rated input values of 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
2. What output current is available for the backplane bus?
The 5 V DC backplane bus output is max. 10 A with no base load required. The 24 V DC output is max. 1 A and idling-proof.
3. How many slots does this power supply require?
The hardware configuration requires 2 slots.
