5 measuring circuit monitoring, 6 voltage supply, Measuring circuit monitoring – JUMO 14597 safetyM STB/STW Ex - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual User Manual
Page 113: Voltage supply, 9 technical data, 5 measuring circuit monitoring 9.6 voltage supply

9 Technical data
107
9.5
Measuring circuit monitoring
9.6
Voltage supply
RTD temperature probe in 3-
wire circuit and
dual thermocouples
Thermocouples
Current 4 to 20 mA
Overrange
and underrange
Is detected
LEDs K1, K2, KD, and KV are lit;
">>>>" flashes in the display for overrange, "<<<<" for underrange
Probe and cable break
Is detected
LEDs K1, K2, KD, and KV are lit;
">>>>" flashes in the display; alarm relay output is inactive
LEDs K1, K2, KD, and KV are lit;
">>>>" flashes in the display;
alarm relay output is inactive
Probe short circuit
Is detected
LEDs K1, K2, KD, and KV are lit;
"<<<<" flashes in the display;
alarm relay output is inactive
Is detected
by difference
monitoring
of the analog inputs
v
LEDs K1, K2, KD, and KV are lit;
"<<<<" flashes in the display;
alarm relay output is inactive
Voltage supply
AC/DC 20 to 30 V, 48 to 63 Hz
AC 110 to 240 V, +10/-15 %, 48 to 63 Hz
Power consumption
12 VA
Power loss
< 12 W