Yokogawa DR240 - Manual (Page 247)

14-2 IM DR232-01E
14.1 Specifications of DR232/DR242 and DS400/DS600
Logging mode
purple
Recording accuracy
Dot recording:
±(0.1% of recording span + measurement accuracy)
Max. recording resolution
Dot recording:
±0.1mm
Recording interval
Dot recording interval for analog trend recording:
FIX:Min. 2s, and same as measurement interval (skipped recording in case of 0.5/1s scans)
AUTO:Min. 2s and linked to measurement interval and chart speed
Digital printout interval for analog trend recording:
MULTIPLE: Specify for each channel from 6 kinds of intervals
SINGLE : Determined automatically from the chart speed and the number of channels used
to print digital values.
Digital value printing interval in the logging mode:
MULTIPLE:Specify for each channel from 6 kinds of intervals
SINGLE:Common to all points
Recording interval change: 2 kinds; changes by event/action function
Recording modes
Analog trend mode and logging mode
Chart paper feed
Chart speed:1 to 1500 mm/hour
Chart speed change:2 kinds; changes by event/action function
Chart feed method:by pulse motor
Chart feed accuracy:
±0.1% of length (when recording is performed continuously for at least
1000mm; does not include elongation or shrinkage of paper)
Recording start/stop
Usually starting and stopping of recording is done by means of key operation. However, this can
also be done by the event/action function.
Normal recording
Trend recording on alarm occurrence: trigger/level
Group trend recording
Auxiliary printing functions
During analog trend recording and logging, setting information and comments and such will be
printed. Chart speed (mm/hour)
× analog trend recording interval must not exceed 3000.
Printout items: Engineering unit, channel number/TAG, alarm, scale, title, message
Event/Action function
Recording can be started, or the chart speed changed by alarm output status/remote control signal/
chart end signal/timer or key operation.
Relation between the chart speed and recording interval (analog trend mode)
however, chart speed (mm/hour)
× analog trend recording interval must not exceed 3000.
Chanel No.
TAG
Alarm scale
message
Digital print
Record disabled
Record enabled
Record enabled
Record enabled
1~9mm/h
10~1500mm/h
Chart speed
Record enabled
Record enabled
Recording interval for digital printout and chart speed
When the logging interval is SINGLE:
however, chart speed (mm/hour)
× analog trend recording interval must not exceed 3000.
24
8
4
2
10~24mm/h
25~49mm/h
50~99mm/h
100~1500mm/h
Chart speed
Number of digital print rows
1 row
12
4
2
1
2 row
8
4
2
1
3 row
6
2
1
1
4 row
Unit : hour
When the logging interval is MULTIPLE:
Set by timer.