Manual, Control and Signal Module, SA2 SA3
Document #9620-20-C-SA2 SA3-04
Pinnacle Park • 1031 Goodworth Drive • Apex, NC 27539 • Tel: 919.772.0115 • Fax: 919.772.8259 • www.ati-ia.com • Email: info@ati-ia.com
C-10
3.1 Lock, Unlock, and RTL Sensor Cable LED Behavior
The Lock, Unlock, and RTL sensor cables are equipped with two LEDs. The Green LED indicates the
sensor has power and the yellow LED indicates the switch has been made. The LED behavior is affected by
the control/signal module.
Table 3.1—Sensor Cable LED Behavior for Common Tool Changer Positions
Tool Changer Position Sensor cable LED Behavior
Unlocked
(Tool Changer Master plate free of stand
with no Tool plate attached)
RTL (R1)
Sensor
ON
OFF
ON
ON
Unlock (U)
Sensor
RTL (R2)
Sensor
ON
OFF
ON
OFF
Lock (L)
Sensor
Ready to Lock
(Tool Changer Master plate with Tool plate
parallel and at a distance of 1.22 mm or less
from each other)
RTL (R1)
Sensor
ON
ON
ON
ON
Unlock (U)
Sensor
RTL (R2)
Sensor
ON
ON
ON
OFF
Lock (L)
Sensor
Locked
(Tool Changer Master plate with Tool plate
attached in fully locked position)
RTL (R1)
Sensor
ON
ON
ON
OFF
Unlock (U)
Sensor
RTL (R2)
Sensor
ON
ON
ON
ON
Lock (L)
Sensor
Missed Tool
(Tool Changer Master plate locked with no
Tool plate attached)
RTL (R1)
Sensor
ON
OFF
ON
OFF
Unlock (U)
Sensor
RTL (R2)
Sensor
ON
OFF
ON
OFF
Lock (L)
Sensor
Figure 3.2—Lock, Unlock, and RTL Sensor cable LED Behavior (Shown in Locked Position)
RTL (R1)
Unlock (U)
RTL (R2)
Lock (L)
Green LED (Power)
Yellow LED
(Switch Made)
(Control module shown for reference only)
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