GI-SMD/SID
6
Wiring
Terminal arrangement
Top terminal block
Bottom terminal block
Arrangement differs for safety I/O terminal models.
Symbol
Terminal name
Description
Functional grounding
Functional grounding terminal to connect the grounding wire.
V0, G0
Unit power supply terminal
Terminal to connect the safety I/O terminal's power supply and to supply power to external devices. Power
supply 24VDC is connected to V0 and 0VDC to G0, respectively. V0 and G0 terminals are internally
connected.
IN0 - IN7
Input terminal
Terminal to connect a safety input device.
T0 - T7
Test output terminal
Terminal for test output.
Symbol
Terminal name
Description
V1, G1
Output power supply terminal
Terminal to supply power to internal output control circuit and external devices. V1 and G1 terminals are
internally connected.
OUT0 - OUT3
Output terminal
Terminal to connect a safety output device.
IN8 - IN11
Input terminal
Terminal to connect a safety input device.
T8 - T11
Test output terminal
Terminal for test output.
Symbol
Terminal name
Description
V1, G1
Output power supply terminal
V1 and G1 terminals are internally connected. GI-SID1224 is not connected to an output device and must not
be wired.
NC
NC
Do not connect.
IN8 - IN11
Input terminal
Terminal to connect a safety input device.
T8 - T11
Test output terminal
Terminal for test output.
NC
IN7
T7
IN6
T6
IN5
T5
IN4
T4
IN3
T3
IN2
T2
IN1
T1
IN0
T0
V0
G0
V0
G0
NC
IN11
T11
IN10
T10
IN9
T9
IN8
T8
G1
G1
OUT1
OUT3
OUT0
OUT2
G1
G1
V1
G1
V1
NC
G1
a) GI-SMD1624
NC
IN11
T11
IN10
T10
IN9
T9
IN8
T8
G1
G1
NC
NC
NC
NC
G1
G1
V1
G1
V1
G1
NC
b) GI-SID1224
The terminal block form is same as a).