Weidmuller WI-I/O-9-U2: Wireless Mesh I/O & Gateway User Manual V1.2.2 - Manual (Page 114)

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“Holding Registers”
40001
40002
Local AO1 & AO2 - Analog Outputs
40003
40020
Spare
40021
40500
Space for locally attached WI-I/O-EX-1-S Expansion I/O modules.
20 register per module address, maximum number of modules is
24
(See Appendix C: below for details)
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 + Exponent + 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