ES-FA-9AA BANNER ENGINEERING, ES-FA-9AA Datasheet - Page 7

• Manufacturer Part Number: ES-FA-9AA
• Description: Module; Relay; Red LED; 24; UL Listed
• Manufacturer: BANNER ENGINEERING

Specifications of ES-FA-9AA

• Light Source: Red LED
• Coil Voltage Vac Nom: 24V
• Coil Voltage Vdc Nom: 24V
• Contact Current Max: 6A
• Contact Voltage Ac Nom: 250V
• Contact Voltage Dc Nom: 250V
• Contact Configuration: 3PST-NO
• No. Of Poles: 3
• Lead Free Status / Rohs Status: RoHS Exempt Product

ES-FA-9AA / ES-FA-11AA E-Stop Safety Modules
P/N 060606 rev. E
Connection of Multiple Switches
Connect the poles of multiple switches, such as E-
Stop switches, as shown in the figure at right. The
switches are shown in the "armed" position with
both contacts closed. Multiple switches connected
to one Safety Module must be series connected
(see figure at right and the warning, Multiple
Switching Devices).
Whenever two or more switches are connected to the same Safety Module:
Failure to test each switch individually in this manner could result in undetected faults and create an unsafe
condition which could result in serious injury or death. This check must be performed during periodic checkouts.
Connection of Safety Switches
Models ES-FA-9AA and ES-FA-11AA may be used to monitor
safety interlocking switches that determine the position of a guard
or gate. To achieve Category 4 operation per ISO 13849-1 (EN
954-1), two positive-opening safety switches must operate con-
currently when the guard or gate is opened (see figure at right).
The Safety Module verifies concurrent opening of two contacts
– one from each safety switch. Reset of the Safety Module is not
possible if one switch fails to open, or if a short circuit between
the safety interlocking switches occurs.
Contacts of the corresponding pole of each switch must be connected together in series. Never connect
the contacts of multiple emergency-stop switches in parallel to one Module. Such a parallel connection
defeats the switch contact monitoring ability of the Module and creates an unsafe condition which could result in
serious injury or death.
Each switch must be individually actuated (engaged), then re-armed and the Safety Module reset. This
allows the Module to check each switch and its wiring to detect faults.
WARNING . . . Multiple Switching Devices
Banner Engineering Corp. - Minneapolis, MN USA - www.bannerengineering.com
Tel: [phone]
Figure 2: Series connection of multiple E-stop switches
S11 S21
E-Stop
Figure 3: Hookup using contacts from two
safety switches
E-Stop
Safety Gate or Guard with end-of-travel stops and two
individually mounted Safety Interlocking Switches
S22
S12
OPEN
S11 S21
S22
S12
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