Omron VARISPEED G7 -, Instruction Manual, Page: 55 / 417

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Control Circuit Terminal Functions
The functions of the control circuit terminals are shown in Table 2.11 . Use the appropriate terminals for the
correct purposes.
Table 2.11 Control Circuit Terminals
Type
No. Signal Name Function Signal Level
Se-
quence
input
signals
S1 Forward run/stop command Forward run when ON; stopped when OFF.
24 VDC, 8 mA
Photocoupler isolation
S2 Reverse run/stop command Reverse run when ON; stopped when OFF.
S3
Multi-function input 1
*1
Factory setting: External fault when ON.
S4
Multi-function input 2
*1
Factory setting: Fault reset when ON.
S5
Multi-function input 3
*1
Factory setting: Multi-speed speed reference
1 effective when ON.
S6
Multi-function input 4
*1
Factory setting: Multi-speed speed reference
2 effective when ON.
S7
Multi-function input 5
*1
Factory setting: Jog frequency selected when
ON.
S8
Multi-function input 6
*1
Factory setting: External baseblock when
ON.
S9
Multi-function input 7
*1
Factory setting: Multi-speed speed reference
3 effective when ON.
S10
Multi-function input 8
*1
Factory setting: Multi-speed speed reference
4 effective when ON.
S11
Multi-function input 9
*1
Factory setting: Acceleration/deceleration
time selected when ON.
S12
Multi-function input 10
*1
Factory setting: Emergency stop (NO con-
tact) when ON.
SC Sequence input common -
Analog
input
signals
+V +15 V power output +15 V power supply for analog references
+15 V
(Max. current: 20 mA)
-V -15 V power output -15 V power supply for analog references
-15 V
(Max. current: 20 mA)
A1
Master speed frequency ref-
erence -10 to +10 V/-100 to 100%
0 to +10 V/100%
-10 to +10 V, 0 to +10 V
(Input impedance:
20 k
Ω
)
A2 Multi-function analog input
4 to 20 mA/100%, -10 to +10 V/-100 to
+100%, 0 to +10 V/100%
Factory setting: Added to terminal A1
(H3-09 = 0)
4 to 20 mA (Input imped-
ance: 250
Ω
)
A3 Multi-function analog input
4 to 20 mA/100%, -10 to +10 V/-100 to
+100%, 0 to +10 V/100%
Factory setting: Analog speed 2
(H3-05 = 2)
4 to 20 mA (Input imped-
ance: 250
Ω
)
AC Analog reference common 0 V -
E(G)
Shield wire, optional ground
line connection point
- -