Micromod MOD: 1800P - MOD 30ML Identity Module (Version 2) System, I/O and Communications Functions User Manual

Page 248

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Logic Functions - Book 1

APPENDIX B - MODBUS MASTER CONFIGURATION

B-4

Modcell datatype to register mapping table:

The following table describes how many registers the Modcell data types use and how the
data is expected to be organized. See MODCELL Logic Controller Data Base Reference
Manual IB-23G600 Section 2.3.4 for further Data Type description.

MODCELL Data Type Remarks

Discrete

Takes 1 register. Valid values are 0 and 1

Short State

Takes 1 register. Valid values are 0 to 15

Long State

Takes 1 register. Valid values are 0 to 255

Count

Takes 1 register. Valid values are 0 to 65535

Date

Takes 2 registers.
1st reg. bits 15-8

0

1st reg. bits 7-0

Year (0-99)

2nd reg. bits 15-8

Month (1-12)

2nd reg. bits 7-0

Day (1-31)

Floating Point

Takes 2 registers.
32 bit data value in IEEE single precision floating point format

Millisecond Time

Takes 2 registers.
32 bit unsigned integer with 1 millisecond resolution

ASCII

Takes as many registers as needed.
The entry for input 1 must be all UPPER CASE (ASCII is case
sensetive)

Hex

Takes as many registers as needed.

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