Hioki SW9001, Instruction Manual

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53
Timing Chart
7.4 Timing Chart
The level of each signal shows the contact on/off status.
In the sourcing current (PNP) setting, HIGH and LOW in the timing chart are the same as the
voltage level of the EXT. I/O terminal. HIGH and LOW are reversed for the voltage level in the
sinking current (NPN) setting.
Channel switching operation and scan operation reset
(1) Channel switching operation
The scan input signal starts scanning and advances the scan channel.
ON OFF ON
CLOSE
SCAN
T1
T2
ON
ON
ON
T3 T4
T5
Enabled channel
Relay operation
Operation
standby time
Previous channel
Channel switching
Selected channel
Settling time Channel delay
Close Open Close
If the next channel is closed before the CLOSE signal pulse reaches the set pulse width, CLOSE
signal pulse will automatically turn off.
The SCAN input signal is not valid while switching channels (until the CLOSE signal is output).
7
External Control (EXT
. I/O)
HIOKI SW1001A961-04