Voltage level format, Trusted, Module t8311 – Rockwell Automation T8311 Trusted Expander Interface User Manual
Page 16
Trusted
TM
Module T8311
Issue 12 Mar 07
PD-T8311
16
APPENDIX:
Note:
Bit 0
AM slice A:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 1
AM slice B:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 2
AM slice C:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 3
AM ejectors open:
1 - AM ejectors open.
0 - AM ejectors closed.
Bit 4
SM slice A:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 5
SM slice B:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 6
SM slice C:
1 - Slice is responding and there are no slice errors.
0 - Slice is either NOT responding or there is a slice error.
Bit 7
SM ejectors open:
1 – SM ejectors open.
0 - SM ejectors closed.
3.3.1. Voltage Level Format
The voltage level is reported as an integer, with the units being
1
/
512
V. This may be used directly,
scaled arithmetically or scaled using the conversion tables.
When used directly the value may be considered as a fixed-point binary value, i.e.:
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Sign
Integer
·
Fractional
To scale the value arithmetically simply divide the returned ‘integer’ by 512 to return the voltage as
either a REAL or INTEGER as required.
The input conversion tables may be used to convert the input value to engineering units, in this case
voltage. This is the recommended method where the value is not to be used directly. The full-scale
range for this number format is decimal ±256, corresponding to physical range –32768 to +32767.