MAN0923_Issue 3_04/15 Touchpoint Pro
Operating Instructions
187
14.5 Register Allocation for Function 04 – Read Input Registers
There are three sets of input registers for each channel:
1. The analogue signal expressed as a 16 bit signed integer value
2. Theanaloguesignalexpressedasa32bitoatingpointvalue
3. An animation value
14.5.1 Analogue Registers (Integer)
Channel Analogue Value (Integer)
01 30001
02 30002
...
64 30064
Note: The Integer format is a 16 bit signed integer, range -10000 to +10000 in steps of 0.1 %FSD
14.5.2 Analogue Registers (Float)
Channel Analogue Value (Float)
Register 1
Analogue Value (Float)
Register 2
01 30129 30130
02 30131 30132
...
64 30255 30256
Note: The Float format is a 32 bit oating point value in accordance with IEEE 754-2008
14.5.3 Animation Registers
A group of animation values are allocated for registers 30065 to 30128. These are intended to be used by
graphicspackagesfordeningthecoloursofvariousscreenobjectsbaseduponthestatusofachannel.
A 16 bit unsigned word format is used.
Channel Animation Register
01 30065
02 30066
...
64 30128
14. Appendix 1 - Modbus Option