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 environment 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 operationally safe status in the event of
malfunctions.
The measured value at the analog input can be recorded by various probes or standard signals.
The limit value overrange is indicated by the installed LEDs K1 and K2 (red) for each channel, and the installed relay "Alarm"
switches the system to an operationally safe status (alarm range).
The high standards of DIN EN 61508 and DIN EN ISO 13849 are met by a device design, the 1oo2D structure of which ensures
reliable detection of errors and, thus, can also be used for applications according to the new Machinery Directive 2006/42/EC.
1.1Safety temperature monitor (STW)
The STW is a safety component according to Machinery Directive, which, when activated, resets automatically if the probe
temperature has gone below / exceeded the limit value by an amount equal to the hysteresis. Possible settings: monitoring for
limit value overrange or underrange.
vChapter 7.3.2 "Switching behavior"
1.2Safety temperature limiter (STB)
The STB is a safety component according to Machinery Directive that is permanently locked after response. Manual reset using
the key is only possible once the probe temperature has gone below / exceeded the limit value by an amount equal to the
hysteresis. Possible settings: monitoring for limit value overrange or underrange.
vChapter 7.3.2 "Switching behavior"
The transparent cover can be lead sealed to prevent unauthorized operation.
However, the key remains accessible.
1.3Safety information
H
A
V
Symbol MeaningExplanation
NoteThis symbol is used to draw your attention to important information.
CautionThis symbol is used when there is a risk of damage to equipment or data if the instructions are ig-
DangerThis symbol is used when there is a risk of injury to persons if the instructions are ignored or not
ReadThis text contains important information and must always be read before work is continued. Han-
vReferenceThis symbol refers to further information in other manuals, chapters or sections.
1
abc
*
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FootnoteFootnotes are remarks referring to specific points in the text marked with a superscript number.
Instructions
for action
nored or not followed correctly.
followed correctly.
dling the device in any way that is not described in the Operating Manual or that is expressly forbidden will jeopardize your warranty rights.
This symbol indicates that an action to be performed is described. The individual steps are marked
by an asterisk.
1 Brief description
11
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A
Voltage supply AC 110 to 240 V:
Voltage supply AC/DC20 to 30 V:
Switching behavior
2 Identifying the device version
The type plate is affixed to the side of the device.
The voltage supply must correspond to the voltage given on the type plate!
2 Identifying the device version
12
Basic type
701150Safety temperature limiters (STB) / monitors (STW) according to DIN EN 14597
Ver sion
8Factory setting
9Configured according to customer specifications
01German (factory setting)
02English
03French
0251Safety temperature monitor max. alarm (inverse, N/C contact)
0252Safety temperature monitor min. alarm (direct, N/O contact)
0253Safety temperature limiter max. alarm (inverse, N/C contact)
0254Safety temperature limiter min. alarm (direct, N/O contact)
10031x Pt100 in 2-wire circuit
20012x Pt100 in 3-wire circuit (ex-factory)
20032x Pt100 in 2-wire circuit
20062x Pt1000 in 3-wire circuit
20372x W3Re-W25Re "D"
20392x Cu-CuNi "T"
20402x Fe-CuNi "J"
20412x Cu-CuNi "U"
20422x Fe-CuNi "L"
20432x NiCr-Ni "K"
Language
Switching behavior
Measuring input1 (programmable)
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2 Identifying the device version
13
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20442x Pt10Rh-Pt "S"
20452x Pt13Rh-Pt "R"
20462x Pt30Rh-Pt6Rh "B"
20482x NiCrSi-NiSi "N"
10531x 4 to 20 mA
20532x 4 to 20 mA
23AC 110 to 240 V +10 % /-15 %, 48 to 63 Hz
2520 to 30 V AC/DC, 48 to 63 Hz
701150 / 8 - 01 -0253 - 2001 -23 /005 ,062
1. The first number on the measuring input means single probe "1“ or double probe "2“
2 Identifying the device version
Voltage supply
Analog output (configurable)
001 0 to 20 mA
005 4 to 20 mA (ex-factory)
040 0 to 10 V
070 2 to 10 V
Extra code
2.1Scope of delivery
-JUMO safetyM STB/STW in the version ordered
- Operating Manual B701150.0
058 SIL and PL approval
062 GL approval
14
2.2Device software versions
Diagnosis module version: 257.01.01
Analog channel 1 version: 258.01.02
Analog channel 2 version: 258.01.02
2.3Serial number
The serial number is indicated on the device.
h Press the + keys
Construction:
The first 8 digits specify the serial number: 01424103
Digit 9 and 10 the production plant in Fulda: 01
Digit 11 (second line) the hardware version: 4
Digit 12 and 13 the year: 2011
Digit 14 and 15 the calendar week: 03
Digit 16 to 19 consecutive numbers: 1234
This operating manual is a translation of the German original manual.
It is valid for the following hardware and software versions:
Diagnosis module from version: 257.01.01
Analog channel 1 from version: 258.01.02
Analog channel 2 from version: 258.01.02
Hardware version: 0
16
h Press the + keys
Keep the operating manual in a place accessible to all users at all times.
All necessary settings are described in this Operating Manual.
Handling the device in any way that is not described in the Operating Manual or that is expressly forbidden will
jeopardize your warranty rights and may disable the safety function.
It is forbidden to access the inside of the device!
Repairs may only be performed by JUMO at the head office in Fulda.
Please contact the nearest subsidiary or the head office should you encounter any problems.
3 Installation
45
89 4,
85
104 8,
3.1Dimensions
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3 Installation
17
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V
3.2Installation location, DIN rail installation
The device is not suitable for use in potentially explosive atmospheres.
The device is hooked into a 35 mm DIN rail (EN 60715) from the front and
pushed down to engage.
The ambient conditions at the installation site must meet the requirements
v
specified in the technical data.
Chapter 8 "Technical data"
As far as possible, the installation site should be vibration-free to prevent the screw-connections from working loose.
a
The installation site should be free from aggressive media, e.g. acids and lyes, and, if possible, free from dust, flour or
a
other suspended matter in order to prevent the cooling slots from becoming clogged.
3.3Close mounting
Observe a minimum spacing of 20 mm from the top and bottom.
a
1. To allow the release slot to be accessed with a screwdriver from below.
2. To allow the device to be swiveled up and unhooked from the DIN rail for removal.
Several devices may be mounted side by side without a gap.
a
3 Installation
18
3.4Dismantling
h Insert a screwdriver into the release lug from below and lift up (1).
h Simultaneously swivel the screwdriver and case up out of the DIN rail (2).
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3 Installation
19
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»
3700 V AC
»
3700 V AC
(1)
(2)
(4)
(3)
(5)
(8)
(6)
(7)
»
3700 V AC
50 V DC
»
3.5Electrical isolation
3 Installation
20
(1) Analog inputs
(3) Binary input
(5) Setup interface
(6) Display
(7) Analog output
3.6Use of the setup interface
- The setup interface USB is only designed for service use for a limited period, e.g. for transmitting setup data and during
- It is not suitable for operation in a fixed installation for an unlimited period as the monitoring function is switched off during
(8) Power supply
commissioning.
data transmission with the setup program.
(2) Relay output "Alarm"
(4) Relay output "Pre-alarm"
4 Electrical connection
V
4.1Installation notes
Check that the safety temperature limiter is correctly installed for its application (temperature measurement) and is oper-
a
ated within the admissible system parameters.
The device is designed for installation in switch cabinets, machines/plants or systems.
a
Ensure that the customer's fuse rating does not exceed 20 A.
Isolate the device at all poles prior to starting service or repair work.
a
All incoming and outgoing lines without a connection to the power supply network must be laid with shielded and
a
twisted lines. Connect the screen on the device side to ground.
Do not run input and output lines close to current-carrying components or cables.
a
Do not connect any additional consumers to the screw terminals for the device power supply.
a
The choice of cable, the installation and the electrical connection of the device must conform to the requirements of VDE
a
0100 "Regulations on the Installation of Power Circuits with Nominal Voltages below 1000 V" or the appropriate local
regulations.
Protect the relay circuit by suitable measures.
a
The maximum contact rating is 230 V/3 A (ohmic load).
The electromagnetic compatibility conforms to the standards and regulations cited in the technical data.
a
vChapter 8 "Technical data"
During commissioning we recommend carrying out a trial run of the system until temperature switch-off at the set limit.
a
Only allow qualified electricians to carry out the electrical connection and the configuration settings until commissioning.
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4 Electrical connection
21
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A
4 Electrical connection
The approval according to DIN EN 14597 is only valid when the correct probe with DIN approval is set in the configuration level and also connected.
The limit value to be monitored must be within the admissible temperature range of the DIN probe.
vChapter 8.12 "Probes for the operating medium air"
vChapter 8.13 "Probes for the operating medium water and oil"
The monitoring function is deactivated during data transmission using the setup program.
vChapter 12 "What to do, if ..."
22
4.2Connection diagram
Connection is carried out via screw terminals.LeadAdmissible cross sec-
1 wire
fine-strand,
with core-end ferrule
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4 Electrical connection
tion
≤ 2.5 mm
≤ 1.5 mm
2
2
23
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V
+
–
2
3
+
–
7
8
J
13
J
68
A
Enter the lead resistance for RTD temperature probes in two-wire circuit when using greater line
lengths.
RTD temperature probe Pt100/Pt1000 in
2-wire circuit
RTD temperature probe Pt100/Pt1000
in three-wire circuit
RTD temperature probe Pt100 in
two-wire circuit, individual probe for both analog
inputs
Caution:
When only one probe (SIL2) is connected, the temperature limitation device
is reduced from SIL3 to SIL2. However, the internal 2-channel structure (1oo2D) in the device is still retained.
Both channels measure the same probe due to the simplified external circuit.
24
V
V
Legend RemarkScrew terminalsScrew terminals
2
3
+
–
I
x
7
8
+
–
I
x
+
–
I
x
4
5
Ground
9
10
+
–
Ix,U
x
L1 N
L1 N
L+ L-
L+ L-
4 to 20 mA
4 to 20 mA for both analog inputs
Caution:
When only one probe (SIL2) is connected, the temperature limitation device
is reduced from SIL3 to SIL2. However, the internal 2-channel structure (1oo2D) in the device is still retained.
Both channels measure the same current signal due to the simplified external circuit.
4Binary input
Connection to a potential-free contact
5Analog output:
0 to 20 mA
4 to 20 mA (ex-factory)
0(2) to 10V
Caution
The analog output is not part of the safety func-
Relay (changeover contact element) with fuse cutout
4 Electrical connection
26
11Relay output for pre-alarm (KV)
Changeover contact
Caution
The pre-alarm relay output is not part of the
safety function!
5 Commissioning the device
H
(1)(2)(3)
(4)
(5)
(6)
(7)
5.1Display and operating elements
h Connect the voltage supply - a test routine will start during which all LEDS will flash and the display with background light-
ing will indicate white pixels for 2 seconds and black pixels for 2 seconds.
Once the test routine has been completed, the device will indicate the main measured value (factory set).
vIf an alarm or error message appears, refer to Chapter 10 "Alarm messages".
5.2Setting the display after switch-on
vChapter 7.6.4 "Normal display"
The screen is factory set to show the main measured value in German. The example shows the screen layout of a safety temperature limiter monitoring a maximum value of 29.6°C with a pre-alarm set to 9.9°C.
If the main measured value is within the hysteresis during "Power ON", the relay outputs "Pre-alarm" and "Alarm"
are deactivated.
1 Switching behavior2 Device function
3 Binary input
7 Main measured value
6 Pre-alarm4 Temperature unit
5 Limit value
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5 Commissioning the device
27
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Legend Remark
3LCD display
6LED KV (yellow)
7LED KD (yellow)
8Keys
12Setup interface
13LED K2 (red)
14LED K1 (red)
15LED OK
Black and white with background lighting 96 x 64 pixels
Is lit if the pre-alarm was triggered.
Is lit if the diagnosis processor has switched off a component.
(Can only be operated when the transparent hood is folded up)
Increase value / previous parameter
Reduce value / next parameter
Programming
RESET
Is lit for all errors.
Is lit for all errors.
Green: OK range
OFF: Error occurred
5 Commissioning the device
28
5.3Selecting and editing parameters (plausibility inquiry for input values)
The values are displayed in the standard display.
Carry out steps 1 to 4 to edit a value, e.g. in this case, the limit value
1Press The first menu item "Analog inputs" has a black
2Select limiter/monitor with
Use to change to the submenu
3Press 2x until the limit value appears
Press (limit value flashes)
background. The vertical line on the right shows
the current position.
4Use or to set the desired value
Acknowledge with
(limit value is shown in duplicate)
5Briefly press to confirm the value.
The value is applied and saved.
If no key is pressed, the device automatically returns to the standard display after 30 seconds (timeout) and the value
H
is not saved. The length of the timeout is configurable.
Use + to return to the standard display
or menu topic "Back" or
return automatically after a timeout
Limit value flashes in duplicate on the display as a
control.
vsee operating overview on the first inner page of this manual.
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5 Commissioning the device
29
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5 Commissioning the device
30
5.4Aborting edit
+ are used to abort editing and retain the previous value.
5.5Alarm acknowledgement using the Reset key (only for temperature limiters STB)
h Press key and hold down
Ticks appear
after the errors
A bell is
shown after
the error.
The alarm is no longer pending and is acknowledged as soon as the time bar has finished (3 seconds).
The alarm condition is still pending and cannot be acknowledged.
5.6Alarm acknowledgement via binary input (only for temperature limiters STB)
The binary input can be configured so that, for example, alarms can be unlocked via a potential-free contact.
The function only reacts to the switching flank from the "open" to the "closed" state.
The contact then behaves in the same way as the "Reset" button.
vChapter 7.4.1 "Function"
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