Certification No.
Certification
Organization
Explosion Protection
Certification No.
TIIS
Safety Relay Barriers [Exia] II C
Switch (EB9Z-A)
[Exia] II CT6
Switch (EB9Z-A1)
[Exia] II BT6
TC18753
TC15758
T15961
PTB
[Exia] II C, [Exia D]
IEC Ex PTB 10.0015
II (1) G [Exia] II C
II (1) D [Exia D]
PTB 09 ATEX 2046
CQST
[Exia] II C
CNEx 11.0038
UL
Class I, Zone 0, [AExia] II C
Class I, II, III, Div. 1, Grps A, B, C, D, E, F and G
E234997
Dimensions
EB3N-A2ND
EB3N-A2R5D
EB3N-M2ND
EB3N-M2R5D
Mounting Hole Layout
EB3N-A2ND
EB3N-A2R5D
EB3N-M2ND
EB3N-M2R5D
EB3N System Configuration Examples
EB3N-A2ND
Safety Control Device
Safety Control Device
PLC
PLC
Safety Contactor
EB3N-M2ND
Safety Contactor
Safety Contactor
Safety Contactor
Safety Input Device
Safety Input Device
Barrier Safety Output
Safety Output
Barrier Safety Output
Backcheck Input
Safety Output
Backcheck Input
1:1 connection with a safety input device, compliant with Category 4
Connection with multiple safety input devices, capable of monitoring up to 5 contact operations, compliant with Category 3
For monitoring operating statuses of safety input devices located in a non-hazardous area
EB3N-A2R5D
Monitor
Monitor
Barrier Safety Output
Auxiliary Output
(Monitor Output)
Reset (Start) Input
Auxiliary Output
(Monitor Output)
EB3N-M2R5D
Barrier Safety Output
Hazardous Area
Non-hazardous Area
Hazardous Area
Non-hazardous Area
• A safety relay module or safety controller is used
to set up a safety circuit, using the reset (start)
function of the safety relay module or safety
controller.
• The manual reset (manual start) function of the
EB3N is used to set up a safety circuit, without
using a safety control device.
• A safety relay module or safety controller is used
to set up a safety circuit, using the reset (start)
function of the safety relay module or safety
controller.
• The reset (start) function is used to set up a
safety circuit, without using a safety relay module
or safety controller.
Safety Input Devices
Connected in Series
…
Safety Input Devices
Connected in Series
…
Reset (Start) Input
Backcheck Input
Reset (Start) Input
Backcheck Input
Reset (Start) Input
65.0
M3
75.0
110.5
77.5
75.0
M3
Terminal Functions
24V DC
Power
Y1-Y2
Reset input
(Start input)
11-12
Safety input 1
21-22
Safety input 2
N1, N2
Signal ground
P*-N3
Auxiliary input
13-14
Safety output 1
23-24
Safety output 2
A*-C1
Auxiliary output
*
: 1 to 5
2-M4 tapped or
2-ø4.5 drilled holes
51
65
97
65
2-M4 tapped or
2-ø4.5 drilled holes
2
EBN Safety Relay Modules