Siemens SIMATIC HMI Mobile Panel 277 RO - Rechargeable Buffer Battery

Technical specifications
10.2 Specifications
Mobile Panel 277 RO
132 Operating Instructions, 10/2015, A5E36824256-AA
Ports
1 x RS 485 Max. 12 Mbit/s
1 x USB
• USB host; conforms to USB standard 1.1 (supporting low-
speed and full-speed USB devices)
• Maximum load 500 mA
1 x RS 45 For Ethernet
1 x plug-in terminal strips (12-pin)
For Ethernet
Supply voltage
Supply voltage
Via connection box
Additional specifications
Fall height
Max. 1 m
Buffer time with internal clock Without rechargeable battery Approx. 3 days
With rechargeable battery
Approx. 6 months
10.2.2
Rechargeable buffer battery
The following technical specifications are in effect for all new batteries. The batteries are
delivered uncharged.
Type
Lithium ion accumulator
Bridging time
10 min
Charging cycles
500
Charging time
Approx. 5 h
Number of changes between connection boxes
With fully charged battery
5 changes
With empty battery after a charging time of 1 h
2 changes
Please note that a battery is subject to a natural self-discharge. The self-discharge can lead
to a complete discharge over long periods of disuse.