Scanner 1141 Hardware User Manual
78
New application programs (firmware) can be loaded to the FLASH ROM using the WinsLoad or
ScanFLASH utility program on a Microsoft Windows-compatible PC. RAM is available for
operating system and intermediate calculations and NVRAM stores configuration, flow history,
alarm, event logs and concurrent operations.
RAM size is jumper-selected to be either 64 or 96 Kbytes. NVRAM is what remains of the 256
Kbytes of memory after RAM is selected. (Refer to
page
for details.)
Memory Options
CN11
RAM
NVRAM
Low (L)
64 Kbytes
192 Kbytes
256 Kbytes
High (H)
96 Kbytes
160 Kbytes
Memory Backup Battery: powers the clock and maintains the contents of the NVRAM during power
outages.
•
For Class I, Division 2 applications, a user-replaceable button cell lithium battery (CR2032) provides
backup NVRAM for 1 year at 40°C, and 1.5 years at 20°C.
Manufacturer
Model
(20 mm dia. X 3.2 mm thick)
Panasonic
CR2032 or BR2032
Duracell DL2032
Energizer
CR2032 or BR2032
Toshiba
CR2032 or BR2032
Rayovac CR2032
Saft LM2032
Maxell
CR2032
Display
User-assignable data is displayed on an auto-scroll 2-line x 16 character LCD. The display can be
activated by a push button on the mainboard, or it can be firmware-configured to always be enabled.
Backlighting is available on some hardware configurations; the operator can turn the backlight off or
turn the entire display off via jumper selection to conserve power.
Summary of Contents for NUFLO 1141C
Page 1: ...Manual No 30165009 Rev 01 NUFLOTM Scanner 1141 RTU Hardware User Manual ...
Page 28: ...Scanner 1141 Hardware User Manual 28 Figure 3 1 Scanner 1141 main circuit board ...
Page 66: ...Scanner 1141 Hardware User Manual 66 ...
Page 67: ...Chapter 6 Parts List and Order Code 67 Chapter 6 Parts List and Order Code Scanner 1141C ...
Page 68: ...Scanner 1141 Hardware User Manual 68 Scanner 1141L ...
Page 69: ...Chapter 6 Parts List and Order Code 69 Scanner 1141G ...
Page 91: ...Appendix A Specifications 91 Outline Dimensions Scanner 1141C ...
Page 92: ...Scanner 1141 Hardware User Manual 92 Scanner 1141L Front and Side Views ...
Page 94: ...Scanner 1141 Hardware User Manual 94 Scanner 1141G ...
Page 96: ...Scanner 1141 Hardware User Manual 96 Drawing 1 Installation ...
Page 97: ...Appendix B Control Drawings 97 Drawing 2 Power Supply ...
Page 98: ...Scanner 1141 Hardware User Manual 98 Drawing 3 Communications Serial Ports ...
Page 99: ...Appendix B Control Drawings 99 Drawing 4 Status Pulse Inputs Outputs ...
Page 100: ...Scanner 1141 Hardware User Manual 100 Drawing 5 RTD Inputs Analog Inputs Outputs ...
Page 101: ...Appendix B Control Drawings 101 Drawing 6 Analog Outputs ...
Page 102: ...Scanner 1141 Hardware User Manual 102 ...
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