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Siemens SIREC D Handbuch Seite 131

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Table 1-1 Specifications (Cont.)
RECORDING
Recording Rates User programmable from 4 samples per second to 1 sample every 600 seconds
Storage Capacity 3½ inch floppy disk - approximately 700,000 samples for a 1.44 Megabyte DiskPCMCIA
DISPLAY
Display Update Rate 1 second. Data update rate programmable from 1 second to 60 seconds.
Virtual Chart Speed Programmable: 0.5in/hr to 600in/hr (10mm/hr to 15000mm/hr)
Virtual Chart Scales 2 sets of 8 scales
Display Windows Time/Date, Graphics (Bars, Large Digital, Trends), Disk Status, System Status or Ident,
FEATURES
POWER
Power Requirements 100 to 240 Vac +10%, 50/60 Hz, 35VA Max. (DC Options available)
Power fail protection Programmed parameters stored in non-volatile memory. Clock battery backed. Retention
ENVIRONMENTAL
Operating Temperature Floppy Drive + 5° to 40°C per UL3111-1/IEC1010-1
Operating Humidity 10% to 90% RH non-condensing
OPTIONS
Communications ESD protected RS232 with full hand shaking. Supports Modem - or, Isolated RS485 network
Siemens Implementation of new developments and product improvements may result in specification changes in this document.
Siemens AG C79000-G7374-C211-01
SIREC D Manual
Format MSDOS compatible file system. Proprietary file structure. User File naming.
Static RAM cards - approximately 1,000,000 samples for a 2 Megabyte Card PCMCIA Flash
cards - approximately 8,000,000 samples for a 16 Megabyte Card
File types Up to 12 point (data) files, Alarm and Event file, Configuration file. Multiple files of different
names on a single disk. Disk format capability.
Display Type CCFL Backlit Active Matrix TFT Color LCD Display.
Resolution 320 (H) X 234 (V) pixels. Display area 3 x 4 inches
Display Modes Graphics (Trending Vertical or Horizontal), Bar Graphs, Large Digital Display, Alphanumeric
Alarm and Event data, or combinations on a split screen.
Button bar.
Touch Screen Touch sensitive screen with Button Bar for simple programming and easy operation.
Math Package Algebraic equations (basic math, powers, roots, natural and base 10 logarithms,
exponentiation), peak monitoring, differentials, true rolling averages, time averages, gated
timing, conditionals (Boolean logic), totalization, logarithmic scaling. 12 Programmable
constants.
Buffer Browse Internal 128k buffer (RAM) enables real time browsing of historic chart data independent of
recorded data. Equivalent browse capability is approximately 560 pen inches. This
represents about 5½ days for 4 pens at 1 inch/hour.
File Browse Any data file on disk can be browsed provided the unit is not recording. File directory allows
selection of different file names.
Disk Full Alarm User can set disk full threshold. Disk errors and alarms can be routed to contact closure.
Trend direction User selectable Horizontal or Vertical chart trending. "Pen" pointers for easy trace
identification.
time without power > 12 months. Chart and alarm browse buffers preserved.
Safety UL (3111-1) cUL (IEC1010-1) CE Low Voltage Directive 73/23/EEC
PCMCIA Card - 10° to 50°C
Alarm Contacts 6 isolated Form C, 1 amp @ 250 Vac or 26 Vdc
Remote Inputs 3 isolated inputs user selectable as dry contact or 5 to 12 VDC activated. Inputs share a
common. Configurable for chart control, alarm, acknowledge/reset, event markers, totalizer
reset or logic input.
port.
Serial Protocol - MODBUS RTU or MODBUS ASCII. Unit may be remotely configured.
General Description
1-5

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