GFK-0467K Chapter 2 System Operation 2-5
2
Table 2-2. I/O Scan Time Contributions for the 90-30 350 and 360 Series (in milliseconds) Module Type CPU
350 and 360 Series
Main
Rack Expansion
Rack Remote
Rack
8-point discrete input .030 .055 .206
16-point discrete input .030 .055 .206
32-point discrete input .043 .073 .269
8-point discrete output .030 .053 .197
16-point discrete output .030 .053 .197
32-point discrete output .042 .070 .259
Combination discrete input/output .060 .112 .405
4-channel analog input .075 .105 .396
2-channel analog output .058 .114 .402
16-channel analog input
(current or voltage) .978 1.446 3.999
8-channel analog output 1.274 1.988 4.472
Combination analog input/output 1.220 1.999 4.338
High Speed Counter 1.381 2.106 5.221
Power Mate APM (1-axis) 1.527 2.581 6.388
I/O Processor 1.574 2.402 6.388
Ethernet Interface (no connection) .038 .041 .053
GCM no devices .911 1.637 5.020
8 64-word devices 8.826 16.932 21.179
GCM+ no devices .567 .866 1.830
32 64-word devices 1.714 2.514 5.783
GBC no devices .798 1.202 2.540
32 64-word devices 18.382 25.377 70.777
PCM 311
not configured, or
no application task .476 N/A N/A
read 128 %R as fast
as possible .485 N/A N/A
ADC (no task) .476 N/A N/A
I/O Link Master no devices .569 .865 1.932
16 64-point
devices 4.948 7.003 19.908
I/O Link Slave 32-point .087 .146 .553
64-point .154 .213 .789