Electrical Connections - Renishaw ATOM DX Series Installation Manual

Electrical connections

Grounding and shielding
Readhead
Cabled readhead
termination/connector
Shield
IMPORTANT: The shield should be connected to the machine earth (Field Ground).
For JST variants the ferrule should be connected to the machine earth.
Top exit
readhead
Shield
IMPORTANT: The shield should be connected to the machine earth (Field Ground).
NOTE: For Renishaw top exit readhead cables the shield connection is provided by the P-clip.
Maximum readhead cable length: 3 m
Maximum extension cable length: Dependent on cable type, readhead cable length and clock speed.
Contact your local subsidiary for more information.
ATOM DX
linear installation guide
Customer
electronics
5 V
Output signals
0 V
Customer
electronics
5 V
Output signals
0 V
Recommended signal termination
Digital outputs
0 V
Readhead
220 pF
A B Z+
120R
Cable Z = 120R
0
A B Z−
220 pF
0 V
Standard RS422A line receiver circuitry
Capacitors recommended for improved noise immunity
Single ended alarm signal termination
(Not available with 'A' cable termination)
5 V
Customer
Readhead
4k7
electronics
1k8
100R
E−
4k7
100nF
Remote CAL operation
CAL
Remote system calibration (CAL) is possible via the CAL pin.
0 V
Customer
electronics
25