Allen-Bradley 1769-L33ERM

Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 203
Use I/O Modules with CompactLogix 5370 L2 Controllers Chapter 8
• Channel 0:
– Input type = Current
– Filter Frequency Selection = 60 Hz
• Channel 1:
– Input type = RTD
– Filter Frequency Selection = 60 Hz
Channel 0 update time + Channel 1 update time
57 ms + 114 ms
171 ms
• Channel 0:
– Input type = Voltage
– Filter Frequency Selection = 60 Hz
– Open Circuit Detection = Enabled
• Channel 1:
– Input type = RTD
– Filter Frequency Selection = 10 Hz
Channel 0 update time + Channel 1 update time
(57 ms + 11 ms) + 614 ms
682 ms
• Channel 0:
– Input type = Voltage
– Filter Frequency Selection = 50 Hz
• Channel 1:
– Input type = RTD
– Filter Frequency Selection = 10 Hz
– Open Circuit Detection = Enabled
• Channel 2
– Input type = Thermocouple
– Filter Frequency Selection = 60 Hz
– CJC = Enabled
– Open Circuit Detection = Enabled
• Channel 3:
– Input type = Thermocouple
– Filter Frequency Selection = 500 Hz
– CJC = Enabled
– Open Circuit Detection = Enabled
Channel 0 update time + Channel 1 update time +
Channel 2 update time + Channel 3 update time +
CJC Update Time
67 ms + (614 ms + 11 ms) + (57 ms + 11 ms)
+ (13 ms + 11 ms) + 114 ms
898 ms
Table 15 - Example Module Update Times
Example Enabled Analog Input
Channel Configuration
Channel Update Time Calculations Module
Update
Time