2-15
H Control Circuit Terminals for All 3G3HV Models
Symbol Name Function Signal
level
Input
S1 Forward run/Stop Stops at OFF.
Photocoupler
S2 Multi-function input 1 (S2) Set by constant n035 (reverse run/stop).
24 VDC, 8 mA
S3 Multi-function input 2 (S3) Set by constant n036 (external error a).
S4 Multi-function input 3 (S4) Set by constant n037 (error reset).
S5 Multi-function input 4 (S5) Set by constant n038 (multi-step speed
reference 1).
S6 Multi-function input 5 (S6) Set by constant n039 (multi-step speed
reference 2).
SC Sequence input common Common for S1 to S6.
FS Frequency reference power supply DC power supply for frequency reference. 15 VDC, 20 mA
FV Frequency reference input (voltage) Voltage input terminal for frequency refer-
ence.
0 to 10 VDC (In-
put impedance:
20 kΩ)
FI Frequency reference input (current) Current input terminal for frequency refer-
ence.
4 to 20 mA (In-
put impedance:
250 kΩ)
FC Frequency reference input common Common for FV, F1. ---
E
(G)
Shielded wire connection ground Shielded terminal for sequence and fre-
quency reference inputs. (see note 2)
---
Output
MA Multi-function contact output 1 (normally
open)
Set by constant n040 (error) Contact output
30 VDC, 1 A
MB Multi-function contact output 1 (normally
closed)
MC Multi-function contact output 1 common Common for MA, MB
max.
M1 Multi-function contact output 2 (normally
open)
Set by constant n041 (running)
M2 Multi-function contact output 2 common Common for M1
AM
Multi-function analog output
Set by constant n048 (output frequency)
0 to 10 VDC,
2 mA
Note 1. Parameter
settings can be used
to select various functions for multi-function inputs 1 to 5 and
the multi-function contact output.
The functions in parentheses are the default settings.
Note 2. Do not connect a grounding wire to the E (G) terminal. Connect the grounding wire to the
ground terminal of the main circuit terminals.
Installation Chapter 2
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