User`s guide
106
Chapter 4 Features and Functions
Scanning
Automatic Channel Delays
If you do not specify a channel delay, the instrument selects a delay for
you. The delay is determined by function, range, integration time, and
AC filter setting as shown below.
DC Voltage, Thermocouple, DC Current (for all ranges):
Integration Time Channel Delay
PLC >1
PLC
2.0 ms
1.0 ms
Resistance, RTD, Thermistor (2- and 4-wire):
Range
Channel Delay
(For PLC > 1)
Range
Channel Delay
For PLC
100
1 k
10 k
100 k
1 M
10 M
100M
2.0 ms
2.0 ms
2.0 ms
25 ms
30 ms
200 ms
200 ms
100
1 k
10 k
100 k
1 M
10 M
100M
1.0 ms
1.0 ms
1.0 ms
20 ms
25 ms
200 ms
200 ms
AC Voltage, AC Current (for all ranges):
AC Filter Channel Delay
Slow (3 Hz)
Medium (20 Hz)
Fast (200 Hz)
7.0 sec
1.0 sec
120 ms
Frequency, Period:
AC Filter Channel Delay
Slow (3 Hz)
Medium (20 Hz)
Fast (200 Hz)
0.6 sec
0.3 sec
0.1 sec
Digital Input, Totalize
Channel Delay
0 sec
34970A Refresh UG.book Page 106 Wednesday, February 17, 2010 12:34 PM