YASKAWA L1000A Quick Start Manual page 17


Sinking/Sourcing Mode (NPN/PNP Selection)
Use a wire link between terminals SC and SP or SC and SN to select between Sink mode, Source mode or external power
supply for the digital inputs S1 to S8 as shown below (Default: Sink mode, internal power supply).
Note:
Never short terminals SP and SN as doing so will damage the drive.
Internal Power Supply – Sinking Mode (NPN) (default)
S7
S8
SN
SC
SP
Internal Power Supply – Sourcing Mode (PNP)
S7
S8
SN
SC
SP

Control Circuit Terminal Functions
Type No.
S1 Up Command (Closed: Up, Open: Stop)
Down Command (Closed: Down, Open: Stop)
S2
S3 Multi-function input 3 (Nominal Speed)
Multi-function input 4 (Inspection Operation)
S4
Digital Inputs
S5 Multi-function input 5 (Intermediate Speed 1)
Multi-function input 6 (Leveling Speed)
S6
S7 Multi-function input 7 (Not used)
S8 Multi-function input 8 (Not used)
Multi-function input common
SC
Digital Input
SN 0 V
Power Supply
SP +24 Vdc
Safe Disable input 1
H1
Safe Disable
Safe Disable input 2
H2
Inputs
Safe Disable function common
HC
YASKAWA ELECTRIC TOEP C710616 33G AC Drive L1000A - Quick Start Guide
24 Vdc
24 Vdc
Terminal Name (Function)
External Power Supply – Sinking Mode (NPN)
S7
S8
SN
SC
24 Vdc
SP
External
24 Vdc
External Power Supply – Sourcing Mode (PNP)
S7
S8
SN
SC
24 Vdc
External
SP
24 Vdc
Function (Signal Level) Default Setting
Photocoupler
24 Vdc, 8 mA
Use the wire link between terminals SC and SN or between SC and
SP to select sinking or sourcing, and to select the power supply.
Photocoupler, 24 Vdc, 8 mA
Use the wire link between terminals SC and SN or between SC and
SP to select sinking or sourcing, and to select the power supply.
24 Vdc, 8 mA
One or both open: Drive output disabled
Both closed: Normal operation
Internal impedance: 3.3 k
Off time of at least 1 ms
Set the S3 jumper to select sinking or sourcing, and to select the
power supply.
Common for the Safe Disable function
3 Electrical Installation
EN 17