1. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 1 A standard with variety current keeps right on flowing SITOP power and the Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 1

2. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 2 Why use an uninterruptible power supply ? Failure of the supply voltage causes unwanted machine and plant status which means risks:  Hazard to health and life  Machine damage, tool fractures, rejects and data losses Minimization of downtime Critical loads (e.g., for security functions) must remain powered with 24 V even when the power network fails.

3. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 3 For combination with SITOP power  Single phase 24 V/20 A  Three phase 24 V/10 A, 20 A, 30 A or 40 A Can supply load currents of up to 120 A for brief periods of time  Allows for the selection of a power supply without regard to the inrush current 99% efficiency in standby, parallel operation  Patent circuitry Signaling Battery management SITOP DC-UPS 40A

4. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 4 SITOP DC-UPS 15A For SITOP power, starting at 5 A Optional with RS 232 interface and SW tool Adjustable bypass times (5, 15, 25 to 315 sec) make plant configuration easier. Signaling Battery management Battery monitoring  Battery backup  Battery service life Battery change only when necessary, and not as preventive measure (e.g., once per year)

5. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 5 SITOP DC-UPS 40A Maintenance-free lead batteries Suitable for DIN rail or wall mounting Battery module  24 V/10 A, 3.2 Ah  24 V/20 A, 7 Ah  24 V/25 A, 12 Ah  24 V/15 A, 2.5 Ah With extended temperature range from -40° to +60° C

6. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 6 Load DC UPS module UPS active 24 V DC Power or backup operation Power, 1 or 3 phase 24 V DC Standby for backup or alarm/advance warning of accumulator switchoff SITOP power = Can be connected in parallel Battery module } } SITOP power DC-UPS Switching principle (+ RS 232 interface for above messages with module15 A RS 232) (Optional RS232 interface available for DCUPS ISA module)

7. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 7 SITOP DC-UPS 15A software Can be used on 15 A device with RS 232 interface Can be run under Win95/98, WinNT 4.0 and Windows2000 Further processing of all signals of the UPS module Power-down function for 24 V industrial PCs Monitoring of the communication of USV module Can be downloaded as freeware from the SITOP homepage  www.ad.siemens.de/sitop/index_76

8. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 8 SITOP DC-UPS Customer advantages Modular layout for:  Selective backup of critical loads  Upgrades Easy DIN rail mounting Integrated battery management ensures long life for 24 V loads and batteries.  Charging voltage (approx. 27 V) regardless of 24 V power load voltage  Built in discharge protection  Battery monitoring High degree of security and reduce downtimes thanks to extensive monitoring and signaling

9. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 9 SITOP DC-UPS Customer advantages Ideal link to higher-level control systems thanks to optional RS 232 interface  Suitable for backing up 24 V DC industrial computers With high-temperature battery, can be used up to an ambient temperature of +60° C

10. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 10 SITOP DC-UPS Typical applications Machine tool manufacturing Textiles industry (high-temperature applications) Process engineering Industrial PCs (24 V DC) Water works (well systems)

11. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 11 Power supply for power failure backup DC/DC 600V: Defined coast-down after power failure No wasted materials, tool fractures, or time-consuming readjustment of the machine because of  Separation of tool and work-piece in controlled paths (emergency retraction)  Controlled braking of rotating spindles  Storing of actual parameters For machines with frequency converter  Machine tools, textile or paper machines, and other machines.  Also suitable for DC power supply systems  Input voltages 300 to 770 V DC (12 A) 480 to 770 V DC (20 A)

12. SITOP power - uninterruptible 24 V Excellencein Automation&Drives: Siemens A&D SE PS 9/00 N o 12 M = = Frequency converter, e.g. SIMODRIVE 611 SITOP power DC/DC 600V = U DCL = 300 to 770V M DC 24 V/ 12 or 20A Controller Contactors Solenoid valves Sensoren, e.g. position encoders L+ M M When a power failure occurs, the braking main spindle provides the power to continue to supply the electronics and other loads. Controlled emergency retraction of the feed axes and regulated coast- down of the spindle are ensured. Power supply, e.g. 3 phase 400 V AC DC link (energy storage) Braking main spindle as energy source Emergency retraction of the feed axes Power supply for power failure backup DC/DC 600V, example based on a machine tool drive