Jetter JetWeb JX2-CNT1, User Manual

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6 Installation Guide
JetWeb
40 Jetter AG
6.7.2 Description of Connections - Reference
Switch and Strobe Input
Terminal Specifications
• 5-pole terminal block COMBICON RM 5.08 (for printed circuit boards)
• Cable cross-sectional area: 0.25 - 2.5 mm
2
• Torque (for input plug screws): 0,5 .. 0.6 Nm
• The maximum stripping length for input lines is 7 mm.
• The accepted VDE guidelines must be followed
• Bladed screw-driver: 0.6 x 3.5 x 100 mm
Specifications of Connecting Cable
• Not needed
Cable Shielding
Make sure that the signal lines are shielded (see Fig. 6):
• Clamp the shield with the greatest possible surface area under the grounding
clamp and establish an electroconductive connection with the grounding block.
Fig. 10: Connection of strobe sensor and reference switch to X21
Terminal Block X21 - Strobe and Reference Switch
Input
Pin Signal Comment
X21.STR
X21.REF
X21.0V
Strobe
pulse
Reference
signal
0 V
Strobe input: DC 24 V,
max. 6 mA
- Low level: up to 2 V
- High level: 20 V ... 30 V
Reference switch:
DC 24 V, max. 6 mA
- Low level: up to 2 V
- High level: 20 V ... 30 V
Reference potential for
both inputs
S 0 V STR 0 V REF
INPUT
X 21