Chapter 11 Specifications
156
(4) EXT I/O (RM3544-01 only)
Communications functionality
Remote function During remote operation by USB or RS-232C, all front panel operations are
disabled. Remote operation is canceled as follows:
• LOCAL key, Reset, At power-on
• By USB or RS-232C
:SYSTem:LOCal command
Communications
monitor function
Displays the send/receive status of commands and queries.
ON/ OFF
Data output function During INT trigger source operation, measured values are output at TRIG sig-
nal or ENTER key input.
During EXT trigger source operation, measured values are automatically out-
put each time measurement completes.
(USB keyboard mode is available during INT trigger source use only.)
Setting ON/ OFF
Auto-exporting when the auto-hold setting is set to ON ON/ OFF
Auto-exporting depending on judgments Hi/ IN/ Lo/ Hi or Lo/ ALL
Default setting Communications monitor function: OFF, Data output function: OFF,
Auto-exporting when the auto-hold setting is set to ON: OFF,
Auto-exporting depending on judgments: ALL
Maintenance terminal
Function Unused (maintenance use only)
Input Signals TRIG (IN0), KEY_LOCK, 0ADJ, PRINT (IN1), LOAD0 to LOAD3
Valid only with BCD mode output: BCD_LOW
Optocoupler-isolated : no-voltage contact inputs (current sink/source output
compatible)
Input ON : Residual voltage; 1 V or less (Input ON current: 4 mA
(reference value))
Input OFF : OPEN (shutoff current: 100 A or less)
Response time : ON edge; Max. 0.1 ms, OFF edge; Max. 1.0 ms
Output Signals Output mode switching: JUDGE mode/ BCD mode
1. JUDGE mode : EOM, ERR, INDEX, HI, IN, LO, OUT0 to OUT2
2. BCD mode : EOM, ERR, IN, HILO
When BCD_LOWER is ON : BCD1 × 4 digits,
RNG_OUT0 to RNG_OUT3
When BCD_LOWER is OFF: BCD2 to BCD5 × 4 digits
Optocoupler-isolated, open-drain output
Maximum load voltage 30 V
MAX
DC
Residual voltage 1 V or less (load current: 50
mA) / 0.5 V or less (load current: 10 mA)
Maximum output current 50 mA
MAX
/ch
Default setting: JUDGE mode
Trigger Source Setting
Setting INT (Internal)/ EXT (External)
Default setting INT (Internal)
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