Input Assembly Status Bit Definitions - Spectrum Controls 1734 User Manual

4-channel universal input module
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Chapter 3: Configuring the 1734sc-IF4U for RSLogix 5000
The AOP will provide a predefined tag structure for the configuration. See
NOTE
example below.
Figure 3-2. AOP Input Tags
Table 3-4. IF4U Input Assembly
Instance:
100
Bit
Analog data
12 bytes
0×00-0×0B

3.6.1 Input Assembly Status Bit Definitions

Under Range and Over Range trip points are determined by the Low Range and
High Range values in the Table 3-3. Data Formats.
The CF bit is set when any of the other status bits are set.
CF = Channel Fault status; 0 = no error, 1 = fault
UR = Underrange; 0 = no error, 1 = fault
OR = Overrange; 0 = no error, 1 = fault
OC = Open Circuit: 0 = no error, 1 = fault (not valid for all ranges)
n/a = Always 0.
Description:
Analog Only
15
14
13 12 11 10 09 08 07 06 05 04 03 02 01 00
Status Byte for Channel 1
n/a n/a n/a OC OR UR n/a CF n/a n/a n/a OC OR UR n/a CF
Status Byte for Channel 3
n/a n/a n/a OC OR UR n/a CF n/a n/a n/a OC OR UR n/a CF
Total Size:
16 Bytes RSL 5K (Dnet 12 bytes)
Channel 0 Data - INT
Channel 1 Data - INT
Channel 2 Data - INT
Channel 3 Data - INT
Status Byte for Channel 0
Status Byte for Channel 2
User's Manual Pub. 0300266-02 Rev. B
3-17

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