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Festo NEBM-T1G8 Series Instructions & Assembly page 2

Encoder cable

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Mount the strain relief
Fig. 6
1. Check that the brass rings (K) of the cables (G) and (H) are seated correctly at
the strain relief (E).
2. Mount the strain relief (E) with the screw (F) on the brass rings (K). Tighten-
ing torque: 0.7 Nm ± 30 %
Attach the cover
Fig. 7
1. Place the cover (A) carefully on the connection box (B).
2. Ensure that there are no wires caught between the cover (A) and the connec-
tion box (B).
3. Tighten screws (C). Tightening torque: 1.2 Nm ± 20 %
4.2
Mounting, controller side
Connect the plug connector 3 to the matching socket on the controller until
it clicks into place.
4.3
Installation
Mounting in energy chain
1. Lay the chain out lengthwise.
2. Place the cables in the chain, making sure they are not twisted.
3. Separate cables from each other using separators/drill holes.
4. Do not connect cables together.
Fig. 8
5. Maintain space X. X > 10 % of the cable diameter D.
If the chain is suspended vertically, increase the space  X.
Fig. 9
6. Align chain in the operating position:
Make sure that the radius is greater than the bending radius R of the
cables.
Cables can move freely in the bending radius KR of the energy chain.
Ä Cables are not forced through the chain.
7. Mount chain (è corresponding instructions).
8. Fasten cables:
At both ends of the chain in case of short energy chains
Only at the driver end in the case of long, sliding energy chains
Fig. 10
9. Do not bend cables all the way to the fastening point.
Ä Mounting space A between the fastening point and bending movement is
observed.
NOTICE!
Damage to cables if the chain breaks.
Replace cables after a chain break.
NOTICE!
Malfunction and material damage due to vertically suspended cables.
The cables stretch.
Regularly check the length of the cables.
Readjust the cables if required.
5
Technical data
NEBM­T1G8­E­...­R3G8
Cable characteristic
Cable composition
Shielding
Cable diameter
D
Current rating
Current rating at 40 °C
Note on current rating at 40 °C
Surge resistance
Operating voltage range AC/DC
U
B
Degree of protection
Degree of protection
Note on degree of protection
Bending radius
Fixed cable installation
R
Flexible cable installation
R
Ambient temperature
Fixed cable installation
Flexible cable installation
Material
Cable sheath
Electrical connection 1
Function
Connection type
Connection technology
Electrical connection 2
Function
Connection type
Connection technology
Tab. 2 Technical data
Suitable for energy chains
[mm²]
(4x0.14) + (4x0.34)
Shielded
[mm]
6
[A]
3
2 A for conductor cross-section 0.14 mm
[kV]
0.5
[V]
0 ... 30
IP65
In assembled state, IP20 for plug connector RJ45
[mm]
³ 20
[mm]
³ 75
[°C]
–40 ... +80
[°C]
–10 ... +80
TPE-U(PUR)
Field device side
Socket
ITT M3
Controller side
Plug connector
RJ45
2

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This manual is also suitable for:

Nebm-t18g-e-r3g8 series