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GM-FA-10J Gate Monitoring Safety Module
Reset switch, located outside the area of dangerous motion, and positioned so that the switch operator can see all areas of dangerous
motion during the reset procedure.
1-Channel or 2-Channel Input
The Safety Module may be configured for 1-channel ("single channel") or 2-channel ("dual channel") operation by setting DIP switches
S1.1 and S2.1 in Banks A and B. In 1-channel operation (S1.1 and S2.1 – ON), the input channels function independently. The two
guards can be monitored individually, but both channels must be in the closed position for the Safety Module to be reset.
In 2-channel operation ( S1.1 and S2.1 – OFF) the input channels must function together. Both channels must switch within a 3-second
simultaneity of the other when the guard closes. If not, the guard must be re-opened and closed until the timing requirement is met. When
the guard opens, the channels function concurrently (both must open, but without the timing requirement).
In either configuration, the "closed" inputs of each channel must be closed before the Safety Module can be reset (continuity S11 to S13
and S21 to S23). If in 1-channel mode and monitoring only one switch, a jumper must be installed at the unused input (e.g., S21 to S23;
see Figure 2. Wiring to two 4-wire coded magnetic safety switches
Initial Checkout Procedure
CAUTION: Disconnect Power Prior to Checkout
Before performing the initial checkout procedure, make certain all power is disconnected from the
machine to be controlled.
Dangerous voltages may be present along the Safety Module wiring barriers whenever power to the ma-
chine control elements is ON. Exercise extreme caution whenever machine control power is or may
be present. Always disconnect power to the machine control elements before opening the enclo-
sure housing of the Safety Module.
WARNING: Multiple Safety Devices
When two or more safety devices are used, each device must be individually actuated, causing a
STOP or open-contact condition, then reset/rearmed and the Safety Module reset (if using manual
reset mode). This allows the monitoring circuits to check each device and its wiring to detect faults. Fail-
ure to test each device individually in this manner could result in undetected faults and create an
unsafe condition which could result in serious injury or death.
To remove a terminal block, insert a small screwdriver into the slot as shown, and
pry to loosen.
When reinserting the block, take care to slide the dovetail on the terminal block into
the slot on the frame.
1. Remove power from the machine primary control elements (MPCEs).
2. Close all monitored guards. If the Module is wired to 1-channel input, the second input (S21/S23 or S11/S13) must be jumpered if
unused.
3. Apply input power (only) to the Gate Monitor Module at terminals A1 and A2 (see
9). The following LEDs should come ON: Power, Input 1, Input 2
If the Power LED comes ON, but either or both Input LEDs are not ON, disconnect input power and check the wiring of the connected
switch(es) and/or the jumper. Check if the jumper is installed correctly on the unused input. Return to step 2 after the cause of the
problem has been corrected.
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on page 7).

Figure 9. Removal of terminal blocks
Figure 7. Wiring to the guarded machine on page