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EN Translation of the original operating and
mounting instructions
GAM900
Acceleration sensor
Mounting instructions
Avoid shocks and impacts on the housing as well as any deformation. Mounting tole-
rances may have an influence on the measured result.
Attach the acceleration sensor firmly (1.9 Nm) at its mounting bores using M4
screws. Proceed with alignment of coordinates (x-/x+/y-/y+/z-/z+). Particularly with
user-specific configuration in deep pass filtering, an inclined mounting position will be
indicated as offset in the acceleration signal.
2-axes
3-axes
+z
+x
–y
+x
–y
+y
–x
+y
–x
–z
Dimensions
GAM900 - plastic housing, 1 x M12 connector
55
30
42
23
LED
M12x1
13
GAM900 - plastic housing, 2 x M12 connector
55
30
42
23
LED
27.5
13
M12x1
Safety instructions
Observe the legal obligations, directives and standards applicable for the
use respectively intended use.
Only replace a defective by an identical product. The 8-digit reference
number on the product label („item") is mandatory here.
The device must not be used when presenting any trace of damage.
Do not operate the device beyond the limits specified in the data sheet
available for download at www.baumer.com.
Check all electrical connections prior to commissioning of the installation.
Mounting, installation and e-connection or any other work performed at the
acceleration sensor must be carried out by authorised experts only.
Appropriate safety precautions must be taken to exclude any risk of personal
injury and damage to operating equipment as a result of an acceleration sen-
sor malfunction.
Intended use of the device
The acceleration sensor is a precision instrument. It is intended to detect and monitor
acceleration as well as to evaluate and supply the information in the form of electrical
output signals for the downstream device. The acceleration sensor must not be used
for any other purpose. Functionality is described in the data sheet and this mounting
instruction. The customer is to verify whether the device is suitable for the intended
application task.
Transport, storage and disposal
Only ever transport and store the acceleration sensor in its original packaging.
Never drop the acceleration sensor – otherwise the device must no longer be used.
Dispose of the components observing the legal regulations prevailing in your country.
Mounting
bores with
screws M4
GAM900 - aluminium housing, 1 x M12 connector
55
30
23
LED
M12x1
13
GAM900 - aluminium housing, 2 x M12 connector
55
30
23
LED
27.5
13
M12x1
Relay functionality
Max. switching voltage: 30 V
Max. switching current: 1.5 A
Switching of inductive load is not permitted.
Relay configuration (i.e. response threshold) see data
sheet or manual.
Standard operation
In standard operation (present acceleration below
response threshold) applies:
- Contact CO / NO is closed
- Contact CO / NC is open
Out-of-limit
When exceeding the limit (present acceleration beyond
relay threshold) applies:
- Contact CO / NO is open
- Contact CO / NC is closed
Powerless state
In powerless state (without supply) applies:
- Contact CO / NO is open
- Contact CO / NC is closedn
Maintenance/relay test
The customer is to ensure proper relay function by correspondingly docu-
mented tests once a year.
Any other maintenance during the service life of the product is not required.
Proper relay functionality can be tested using the test input or the CANopen
restart command.
Customer is to verify proper switching of the relay contacts. Faulty relay swit-
ching after test initialization would call for device exchange.
Test input
Proper relay functionality is tested by twice a high signal applied at the re-
spective pin. Signal level must exceed the voltage supply by 70 %. Signal
period and pause between two high signals is between 1 and 3 seconds.
>0.7 x UB
T
T
Details for CANopen communication and the restart command in particular
can be found in the instruction manual.
42
42
E-connection
Do not perform any electrical modifications at the acceleration sensor or any wiring
work while the device is live. Never plug or unplug the electrical connection while the
acceleration sensor is live. Arrange for separate power supply of the acceleration
sensor where working with consumers with high interference emissions.
Completely shield the acceleration sensor and connecting cable. Make sure the en-
tire system is installed in line with EMC requirements. Ambient installations and ca-
NC
NO
bling affect the electromagnetic compatibility of the acceleration sensor. Install acce-
leration sensor and supply cables separately or far away from cables with high inter-
ference emissions (frequency converters, contactors, etc). Use shielded connecting
CO
cables.
- GAM900 in plastic housing: Provide cable shield at the control unit.
NO
- GAM900 in aluminium housing: Provide cable shield on both ends and connect with
NC
sensor housing via M12 connector.
Terminal assignment
CO
NC
NO
CO
1s < T < 3s
T
connector 1
connect. 1
connect. 2
Connector 1, M12 connector 12-pin
Pin
Assignment
Pin 1
GND
Pin 2
Test input
Pin 3
UB
Pin 4
Analog Ground
Pin 5
Analog output X
Pin 6
Analog output Y
Pin 7
Relay 1 / contact NO*
Pin 8
CAN Ground
Pin 9
Relay 1 / contact CO*
Pin 10
Relay 1 / contact NC*
Pin 11
CAN Low
Pin 12
CAN High
Connector 2, M12 connector 12-pin
Pin
Assignment
Pin 1
Relay 2 / contact CO*
Pin 2
n.c.
Pin 3
n.c.
Pin 4
n.c.
Pin 5
n.c.
Pin 6
n.c.
Pin 7
n.c.
Pin 8
CAN Ground
Pin 9
Relay 2 / contact NO*
Pin 10
Relay 2 / contact NC*
Pin 11
CAN Low
Pin 12
CAN High
* Customer-specific relay configuration on request
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