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www.cooperbussmann.com/wirelessresources
Cooper Bussmann 915U-2 Wireless Mesh I/O and Gateway User Manual
Rev Version 1.2.2
Input Registers
Description
30021
30493
Space for locally attached 115s expansion I/O modules. Twenty registers per module address,
maximum number of modules is 24. For details, see Appendix C.
30494
30500
Internal information registers: serial number, firmware version and patch level
30501
32500
General purpose word storage used for:
• Staging area for data concentrator
• Fieldbus mappings storage
32501
36000
Not available
36001
36008
Local pulsed inputs 1–4, big endian format
Most significant word at lower/odd address
36009
36040
Spare
36041
38000
Not available
38001
38032
Local analog inputs as floating point values
ModScan format (sign + ex most significant 7 bits of significand at even/higher addressed
location; lower 16 bits of significand at lower/odd addressed location)
(12.3 => 38001=CCCD, 38002=4144)
38033–38040
Spare space for floating point values
Holding Registers
Holding Registers Description
40001
40002
Local AO1 and AO2: analog outputs
40003
40020
Spare
40021
40500
Space for locally attached 115s expansion I/O modules. Twenty registers per module address,
maximum number of modules is 24. For details, see Appendix C.
40501
42500
General purpose word storage area used for:
• Staging area for data concentrator
• Fieldbus mappings storage
42501
46000
Not available
46001
46008
Local pulsed outputs 1–4
Big endian format
Most significant word at lower/odd address
46009
46040
Spare 32 bit registers
46041
48000
Not available
48001
48004
Local analog outputs as floating point values
ModScan format (sign + ex most significant 7 bits of significand at even/higher addressed
location)
Lower 16 bits of significand at lower/odd addressed location
(12.3 => 48001=0xCCCD, 48002=0x4144)
48005
48040
Spare space for floating point values
48041 onwards
Not available