Dynalco SWTD-1000 Speed Switch/Transmitter - Manual (Page 8)

Operating Instructions SWTD-1000 DYNALCO
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3.3.2 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-enerized or energized)
• With or without ‘Hold function’ (Reset via Binary input)
Accuracy 0.05% of the value set
Temperature tolerance Max.
± 10 ppm of the value set
Reaction time Effective measurement time + 10.5ms
Contact rating AC: max. 250VAC, 1250VA.
DC:
Contact isolation 1500 VAC
3.3.3 Open Collector Output
Type Opto-coupler (passive)
External Pull-up R = 91 x V (Ic nominal = 11 mA)
Load voltage V = 5 – 30 V
Max load current 25 mA
Isolation 1500 VAC
3.4 Data Communication
3.4.1 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
3.5 Environment
3.5.1 Climatic Conditions
Operating temperature - 20 ... + 70 °C
Storage temperature - 20 ... + 70 °C
Relative humidity 75% averaged over the year; up to 90% for max 30 days.
Condensation to be avoided.