Connections

Modes Of Operation
The LD-200 series detector may be configured for any one of the
following modes:
Presence Mode | Pulse Mode |
AB Logic Presence Mode(Barrier Operation) | AB Logic Pulse Mode(Counting Logic) |
Indicates And Switch
❀Power Led: RED Power LED Indicates “Power ON”
CH1 Detecting Led:Continuously On: Indicates vehicle detection.
Blinking Slowly: Indicates loop is short circuit or the number of
twists after the loop is not enough.
Blinking Fast: Indicates loop is open circuit or too many twists
after the loop.
CH2 Detecting Led:Continuously On: Indicates vehicle detection.
Blinking Slowly: Indicates loop is short circuit or the number of
twists after the loop is not enough.
Blinking Fast: Indicates loop is open circuit or too many twists
after the loop.
❀Sensitivity Selection
Sensitivity and frequency of the loop can be adjusted by 7-way dip
switch and 10-way dip switch setting.
User can select 8 different setting by changing the setting of the
dip-switch to different modes as in the dip-switch setting tables below. Dip switch 6, 7 and 8 for CH1
sensitivity selection with 0.8 being the least sensitive and 0.015
being the most sensitive.
Dip switch 3, 4 and 5 for CH2 sensitivity selection with 0.8 being
the least sensitive and 0.015 being the most sensitive.

❀Switch1=S1:Channel 1 Loop Function Selection (10 Way Dip Switch)

(Switch1=S1)D3,D4,D5 and(Switch2=S2)D1,D2 Setting Special
Functions(Mode1,2,3 Direction Detection. Mode4,5,6 Normal mode, two loop detection are
separated.)



Reset Button: Please note: The LD-200 must be reset every time a
setting change is made to the Dip switches.
Loop Installation
The loops are sealed using a “quick-set” black epoxy compound or
hot bitumen mastic to blend with the roadway surface.
When installation, please keep the product plug and socket in the
vertical direction
Trouble Shooting

Product Series
LD-100 | LD-102 | LD-200 | LD-202 | JTHT-11 |

Single Channel 100-240 V AC | 
Single Channel 12-24 V AC/DC | 
Dual Channel 100-240 V AC | 
Dual Channel 12-24 V AV/DC | 
Loop cable 305 m Teflon coil |
LCR-MT | | | | |

Multimeter | | | | |
