Hima Safety Systems F 3237 (0606)

F 3237 (0606)
All rights reserved. Equipment subject to change without notice: 1/4
HIMA Paul Hildebrandt GmbH + Co KG, P.O. Box 1261, 68777 Brühl
F 3237
F 3237: 8-channel input module
safety-related, applicable up to SIL 3 according to IEC 61508,
• for the connection of safety-related proximity switches,
proximity switches according to EN 60947-5-6 (NAMUR) and
resistor-wired sensors
• monitoring of the lines for short-circuit and line break
Figure 1: Block diagram and front cable plug
Appertaining function block: HB-RTE-3
The module is automatically tested completely during operation. The main test routines are:
– Switch on and switch-off capability
– Crosstalk of the input circuits by walking-zero
– Function of the input filters
– Correct function of the module
The function of LEDs are not tested.
Switching time approx. 10 ms
Operating points IE
0-signal 0.35 ≤ IE ≤ 1.2 mA
1-signal 2.1 ≤ IE ≤ 6.0 mA
wire break ≤ 0.28 mA
short circuit ≥ 6.5 mA
Line impedance ≤ 50 Ω (acc. to EN 60947-5-6)
Line length ≤ 1000 m (∅ = 0.5 mm2)
Supply voltage US 8.2 V
Shunt R* 681 Ω; 1 %; 0.25 W
(R17…R24) part no. 00 0751681
Space requirement 4 SU
Operating data 5 VDC / 90 mA; 24 VDC / 170 mA
Front
cable plug
Z 7108 / 3237 / …
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Figure 2: Lead marking cable plug Z 7108 / 3237 / .. and construction test plug Z 7204
* The connections (X4) to (X32) are only used at special cable connectors.
Redundant connection for a safety-related proximity switch
Figure 3: Redundant connection for a safety-related proximity switch
Cable plug: Z7108 / 3237 / C..
HIMA order no.: 93 3237 100
Channel Connection Color
1 d2
d4 (x4)*
WH
BN
2 d6
d8 (x8)*
GN
YE
3 d10
d12 (x12)*
GY
PK
4 d14
d16 (x16)*
BU
RD
5 d18
d20 (x20)*
BK
VT
6 d22
d24 (x24)*
WHBN
WHGN
7 d26
d28 (x28)*
WHYE
WHGY
8 d30
d32 (x32)*
WHPK
WHBU
L–
L–
L+
z2
z32
z12
BK
BK
RD
Cable
LiYY 16 x 0.5 mm2
Flat pin plug
2.8 x 0.8 mm2
q = 1 mm2
l = 750 mm
LIY 0.5 mm2 Construction test plug Z 7204
l = 2 m
.
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Connection for proximity switches NAMUR
(according to EN 60947-5-6: 2000)
R** is also necessary in mono applications!
Figure 4: Redundant connection for one proximity switch NAMUR
(according to EN 60947-5-6: 2000)
Special cable plug: Z7108 / 3237 / C../ S102 (mono connection)
HIMA order no.: 93 3237102
At redundant connection of proximity switches NAMUR (according to EN 60947-5-6) the following
redundant special cable plug must be used:
Z7108 / 3237 / W / R1 / S209 with resistors R1..R8=390 Ω for NAMUR proximity switches
Z7108 / 3237 /Cx / R2 / S209
HIMA order no.: 93 3237 209
Between the plug R2 and R1 (see Figure 4) the connections are configured as single cores.
Note If using the special cable plug for Namur proximity switches in the safety
loop (module – proximity switch) the SIL level may be reduced to that
of the proximity switch.
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Figure 5: Cable connector Z 7108 (special design for NAMUR)
Termination of not used inputs
Figure 6: Resistor circuit for the inputs
Note Not used inputs, which are connected in the HIMA function block HBRTE-
3, must be terminated with a 10 kΩ resistor at the input of the module.
Thereby line error messages of the not used input channels are
eliminated (see following scheme).
Resistors R*:
R17-R24: 681 Ω
Resistors R**:
R1-R8: 390 Ω
R*
R*
R*
R*
R**
R*
R**
R**
R*
R**
R*
R*
R**
R**
R**
R**
d2 d4 d20
channel 1 channel 5
Example:
Channel 1 and channel 5 are not used.
Termination of channel 1 (connections d2-d4) and
channel 5 (connections d18-d20) each with 10 kΩ.