In this example The unlock request initiates a category 1 stop.
The MAB and GLT provide a time delayed guard lock function.
The MAB and GLT provide a prevention of unexpected start-up function.
Hardware Rev. B
No
Conn.
Digital
Common
Time
Blue
LOGIC*
Stop
Brown
Range
Unlock Request
White/Green
Reset/Lock
Green/Black
Red/Blue
Unlock Cmd A
Start
Unlock Cmd B
Violet
Green/Brown
Gate
Note 1: When using a Hardware Rev. A MAB, connect the violet wire to terminal 51 of the
GLT. The gray/brown wire must be remain unconnected.
Note that the terminal designations for X3.6 and X3.7 are different on Hardware
Rev. A and Hardware Rev. B MAB.
Gray/Pink
- see Note 1
MAB Reset/Lock
Gate control
power
Rev. A Rev. B