29
30
Safety Relay Signal
PIN No. 3-11, 4-12
• The Safety Relay will be ON or OFF depending on the state of the Emergency Stop Signal
PIN1-9.
• When there is continuity between PIN3 (SAFE-1A) and PIN11 (SAFE-1B) or between PIN4
(SAFE-2A) and PIN12 (SAFE-2B) the motor is off. If there is no continuity between these
pairs of pins then the system is operating normally.
• If the Emergency Stop Signal is OFF (Open) the Safety Relay will be OFF (Open) and the
motor power will be interrupted and the motor will stop.
• If the ‘a’ contacts of the Safety Relay are welded together by an over load or short circuit
the ‘b’ contacts’ separation are maintained with more than 0.5mm spacing by the relay’s
recoil mechanism.
• The voltage/current specifications of PIN3-11 & PIN4-12.
Applied Voltage (V max) 30VDC
Working Current (Ip) 2A
Fig. 43
3 (SAFE-1A)
4 (SAFE-2A)
12 (SAFE-2B)
11 (SAFE-1B)
The side of unit
Safety Relay
Contact
Motor
output part
Motor
output line
3
Input/Output Connector A
Plug Part Number : XM2A-2501 OMRON (or other similar high-quality product)
Cover Part Number : XM2S-2511 OMRON (or other similar high-quality product)
Input/Output Connector B
Plug Part Number : XM2A-1501 OMRON (or other similar high-quality product)
Cover Part Number : XM2S-1511 OMRON (or other similar high-quality product)
• The Plug and Cover are not provided with the system. Please purchase the specified plug
and cover from local suppliers.
• Use only shielded cables to minimize RF interference and noise. Connect the shield to
the plug cover.
• Different makers use different names for the cover.
CAUTION
To minimize RF interference and noise please keep the length of the cables as short as
practical and route separate from power cables.
3. Input/Output Signal Connector Specifications
1
2
Output Signal
PIN No. 2-10, 5-13, 6-14
There are 3 kinds of output signals : “Motor Connection Monitoring”, “AUTO MODE” and
“Unit Power Source Monitoring”.
These signals are MOSS Relay Contact Connections. The output current can be connected
to both the sink and the source
Voltage and Current Specifications
• Applied Voltage (V max)
30VDC
• Working Current (Ip)
100mA
Use an external power source for output circuits. It is recommended to use a separate
power from the one used for Input/Output Connector A. Please refer to Fig. 41 for
connections.
(2) Input/Output Signals
Emergency Stop Signal Input
PIN No. 1-9
This signal is a switched 24V DC output.
Please use a separate power source that is capable of supplying 24VDC±10%,
50mA. Refer to Fig. 42 below for connections.
Normal Operation circuit is ON (Closed) Emergency Stop circuit is OFF (Open).
If the Emergency Stop Signal is OFF (Open) the Safety Relay is OFF and the power supply
to the motor is interrupted and the motor stops.
Fig. 42
Fig. 41
10(MT-CMB)
5(AUTO+)
13(AUTO-)
6(PWON+)
14(PWON-)
2(MT-CNA)
+24V or 0V
0V or +24V
+24V or 0V
Load
Load
0V or +24V
or
The side of unit
The side of unit
+24V
(or 0V)
0V
(or +24V)
The side of unit
1
9
1
9
+24V
(or 0V)
0V
(or +24V)
or
1
2
NE260̲K0581E̲e̲0905 09.9.22 1:16 AM ページ 29
