User Manual

Operating Instructions SWT-1000 DYNALCO
SWT-1000.r2.0609 6
2.3.2 Relay
Type Single Pole Double Throw
Limit Hysteresis Programmable – 1 lower and 1 upper set point per limit.
Functions 2 programmable parameter sets selectable via binary input
• Reaction to Alarm, Sensor fault, Limit, always on or off.
• “Normal“ or “Inverse“ (normally de-energized or energized)
• With or without ‘Hold function’ (Reset via Binary input)
Accuracy 0.05% of the value set
Temperature tolerance
Max. ± 10ppm of the value set
Reaction time Effective measurement time + 10.5ms
Contact rating AC: max. 250 VAC, 1250VA.
DC:
Contact isolation 1500 VAC
2.3.3 Open Collector Output
Type Opto-coupler (passive)
External Pull-up R = 143 x V (Ic nominal = 7 mA)
R = 91 x V (Ic nominal = 11 mA)
Load voltage V = 5 – 30V
Max load current 25mA
Isolation 1500VAC
2.4 Data Communication
2.4.1 Serial Interface (RS 232)
Physical Layer Similar to EIA RS 232 but with +5V CMOS Level
Max cable length 2 m
Transmission rate 2400 Baud
Connection Front panel, 3.5mm jack plug
2.5 Environment
2.5.1 Climatic Conditions
Operating temperature - 40 ... + 85 °C
Storage temperature - 40 ... + 90 °C
Relative humidity 75% averaged over the year; up to 90% for max 30 days.
Condensation to be avoided.