Yokogawa DR240 - Manual (Page 234)

14-7 IM DR231-01E
Specifications
14
14.1 Specifications of DR130/DR231/DR241 (Style S3)
Recording colors
Analog trend mode
Trend recording: purple, red, green, blue, brown, black, navy blue, yellowish green,
red-purple, orange (can be specified for each channel)
Digital printout: black
Alarm printout: red (however, alarm release mark: blue)
Logging mode
purple
Recording accuracy
DR130
Trend recording:
±(0.2% of recording span + measurement accuracy)
DR231/DR241
Trend recording:
±(0.1% of recording span + measurement accuracy)
Max. recording resolution
Trend recording:
±0.1mm
Recording interval
Recording interval for analog trend recording:
FIX: Min2s, and same as measurement interval
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 will be printed.
Chart speed (mm/hour)
× 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) × trend recording interval must not exceed 3000.
Channel No./
TAG
Alarm/scale/
message
Digital print out
Record disabled
Record enabled
Record enabled
Record enabled
1 to 9mm/h
10 to 1500mm/h
Chart speed
Record enabled
Record enabled