7 Electrical connection
76
Outputs
Printing system
Electrical
data
Voltage above ± 1V not recognised not recognised
Current not recognised not recognised
1. The print head is positioned to 0% , “>>>>>>” appears in the LED dot-matrix display.
2. In 4-wire circuit: only recognised at terminals 1 and 2.
Short-circuit
1
Break
1
3 open-collector
outputs
to signal over/under limit
one open-collector output to signal faults (e.g. chart paper end)
Drive stepper motor
Sensitivity ≤ 0.2% referred to 100mm writing width
Reproducibility ≤ 0.25% referred to 100mm writing width
Display and recording
accuracy
Class 0.5 referred to the measurement range limits and the basic
measurement ranges
Print head print head with pen-lift function – sufficent for approx. 1 million dots
(depending on the ambient temperature)
Print colours violet, red, black for 3-channel printing recorder and
violet, red, black, green, blue, brown for 6-channel recorder.
The colour assignment can be changed at will, through the
setup program.
Over/underrun electronically limited to 0 — 100mm writing width
Chart speed programmable in stages 0, 5, 10, 20, 60, 120, 240, 300, 360, 600,
720mm/h
Paper feed by stepper motor and gearing
Chart paper cassette cassettes for roll chart and fanfold chart
( with tear-off edge and paper-end switch)
Chart paper
total width
writing width
sprocket roller spacing
visible diagram length
total length
roll or fanfold chart paper to DIN 16 320
120mm
100mm
110mm
roll chart: 60mm; fanfold chart: 30 to 60mm
roll chart: 16m or 32m; fanfold chart: 16m
Supply
(switch-mode power supply)
AC: 110 — 240V +10/-15% 48 — 63Hz or
DC/AC: 20 — 53V 48 — 63Hz
Electrical safety
Test voltages (type test)
- Mains supply to
measurement circuits
- Mains supply to
housing (protective earth)
- Between measurement
circuits
- Between measurement
circuits and housing
- Electrical isolation
between the
analogue inputs
to EN 61 010, Part 1 of March 1994
overvoltage category II, pollution degree 2
with AC supply 2.3kV/50Hz, 1min,
with DC/AC supply 510V/50Hz, 1min
with AC supply 1.5kV/50Hz, 1min,
with DC/AC supply 510V/50Hz, 1min
200V/50Hz, 1min
500V/50Hz, 1min
up to 30V AC or 50V DC
Supply voltage sensitivity < 0.1% of the measurement span
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