Datasheet

JUMO GmbH & Co. KG
Delivery address:Mackenrodtstraße 14,
36039 Fulda, Germany
Postal address: 36035 Fulda, Germany
Phone: [phone]
Fax: [phone]
e-mail: [e-mail]
Internet: www.jumo.net
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow, Essex CM20 2DY, UK
Phone: [phone]
Fax: [phone]
e-mail: [e-mail]
Internet: www.jumo.co.uk
JUMO Process Control, Inc.
8 Technology Boulevard
Canastota, NY 13031, USA
Phone: 315-697-JUMO
1-800-554-JUMO
Fax: [phone]
e-mail: [e-mail]
Internet: www.jumo.us
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JUMO STB/STW
Safety temperature limiter, Safety
temperature monitor
as per DIN EN 14597
Brief description
The safety temperature limiter (STB) and the safety temperature monitor (STW) are used
to reliably detect and avert hazards that could cause injuries, are harmful to the environ-
ment or cause destruction of production plants and produced goods at an early stage.
Its primary task is to reliably monitor thermal processes and switch the systems to an op-
erational safe status in the event of malfunctions.
The measured value at the analog input can be recorded by various probes or standard
signals. The exceedance of the limit value is indicated by the installed LEDs K1 and K2
(red) for each channel, and the installed relay output alarm switches the system to an op-
erational safe status (alarm range).
The high standards of the DIN EN 61508 and DIN EN ISO 13849 are met by a device de-
sign, the 1oo2D structure (2-channel structure with diagnosis channel) of which ensures
reliable detection of errors and, thus, can also be used for applications as per the new
machinery directive 2006/42/EC.
Block diagram
1 Binary input
for floating contact
1 Analog Output
standard signal
701150
Voltage supply
AC 110 to 240 V +10/-15 %, 48 to 63 Hz
AC/DC 20 to 30 V, 48 to 63 Hz
USB Interface
for setup-program
1 Relay Output Alarm
SPDT (changeover contact)
with fuse cut-out
1 Relay Output Prealarm KV)(
SPDT (changeover contact)
LCD-Display
with white background lighting
STB/STW
4 Keys
for operation and
acknowledgement of Alarms
Mesured Value
Universal Analog Input 1
Universal Analog Input 2
Data Sheet 701150
Type 701150/ …
Special features
k 1oo2D structure for a high degree of pro-
cess safety and reliability
k LC display with background lighting and
plain text display for simplified operation
k Setup program for configuration and
archiving via USB interface
k Digital input filter with adjustable
filter time constant
k Pre-alarm absolute or adjustable as a mar-
gin from the limit value
k Large voltage supply range
of AC 110 to 240V +10% /-15% or
AC/DC 20 to 30V
k Can be configured as STB or STW
k 12 linearizations can be set
k Internal and external unlocking possible
k Approvals for DIN EN 14597, SIL, PL (Per-
formance Level),
k Applied for UL, GL approvals
Approval/approval marks (see Technical Data)