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Electrical connections
Grounding and shielding
Ti / TD interface
Readhead
Inner shield
Outer shield
IMPORTANT: The outer shield should be connected to the machine earth (Field Ground). The inner shield
should be connected to 0 V at receiving electronics only. Care should be taken to ensure that the inner and
outer shields are insulated from each other. If the inner and outer shields are connected together, this will
cause a short between 0 V and earth, which could cause electrical noise issues.
NOTE: Maximum cable length between readhead and Ti / TD interface is 10 m
Remote CAL operation
(Analogue versions only)
CAL
All Ti / TD interfaces include a push button switch to enable CAL /AGC
features. However, remote operation of the CAL /AGC is possible via
pin 14 of analogue Ti0000 interfaces. For applications where no
interface is used, remote operation of CAL /AGC is essential.
0 V
TD interface resolution switching
Pin 10
Connect pin 10 to 0 V to switch to lower resolution.
0 V
TONiC RKLC20-S linear installation guide
Extension cable
maximum 50 m
Customer
dependent upon
electronics
clocked output
option
5 V
Output
signals
0 V
Recommended signal termination
Digital outputs
A B Z E+
Cable Z
A B Z E−
Standard RS422A line receiver circuitry
Capacitors recommended for improved noise immunity
Single ended alarm signal termination (Ti options A, B, C, D)
Interface
100R
E−
4k7
Analogue outputs
V
V
V
+
0
1
2
120R
V
V
V
−
0
1
2
Limit output
(No limits on TD interfaces)
5 to 24 V
R *
V
V
P Q
p
q
* Select R so maximum current does not exceed 20 mA.
Alternatively use a suitable relay or opto-isolator.
0 V
Customer
220 pF
electronics
= 120R
120R
0
220 pF
0 V
5 V
Customer
4k7
electronics
1k8
100nF
13
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