JUMO EM Series Operating Instructions

19
5 Settings
5.2 Limit value setting
EM-20-E ( 1 ) Set point value setter
( 2 ) Scale subdivision
( 3 ) Set point value indicator
✱ Adjust the set point value setter via the inter-
nal scale using a screwdriver
EM-30-E
EM-80
The limit value is permanently factory set and sealed. Readjustment is not
admissible.
5.3 Self-monitoring of the STB and STW (STB)
5.4 Use of the STW (STB) as STB
°C
(1)
(2)
(3)
H
If the measuring system is destroyed, i.e. if the expansion fluid emerges, the
pressure in the diaphragm drops and permanently opens the current circuit.
Unlocking is no longer possible.
If the probe has cooled down to a temperature below approx. -20 °C, the cur-
rent circuit is also opened, however, automatically closes again, when the tem-
perature rises above -10 °C.
V
The restart lock required as per DIN EN 14597 must be ensured by the follow-
ing switching diagram. This switching diagram must comply with VDE 0116.

JUMO EM Series Specifications

General

Housing Material	Plastic
Temperature Range	-50 to 400°C
Display	LCD
Power Supply	24 V AC/DC
Output	Relay, Analog
Input	Analog
Control Mode	PID, On/Off