Hioki 3174 - Page 196

10.1 Basic Specifications
190
Input signals All Active LOW inputs (insulated with a photocoupler)
Maximum input
voltage
30 V DC
HIGH level voltage Above 15 V below 30 V DC or open
LOW level voltage 5 V DC or less (-6 mA typ.)
Signal names START : Test start
STOP : Test stop
EXT-E : External I/O effective
INT.LOCK : Interlock
MEM0 : Memory Selection 0
MEM1 : Memory Selection 1
MEM2 : Memory Selection 2
MEM3 : Memory Selection 3
MEM_E : Memory Enable
Note: Load starts when memory number is selected from MEM0 to 3 and
MEM_E is set to L.
Remote Control Box (External Switch Terminal)
Input signal (contact
input)
START, STOP, SW.EN (External Switch Terminal valid)
Output signal LED light signal (40 mA max. load current)
Priority placings for
Key input
RS-232C > Remote control box > EXT I/O > Front panel of the 3174 (3174-
01) (When START setting is valid with RS-232C)
(Only START. STOP, Interlock are valid and all have the same level of priority
regardless of the condition of EXT_E))
RS-232C
Synchronization
method
Start-stop synchronization, full duplex
Transfer rate 9600 bps/ 19200 bps
Data length 8 bits
Parity None
Stop bit 1bit
Hand shake No X flow, hardware flow control
Delimiter Receiving : CR, CR+LF
Transmitting : CR+LF
GP-IB (-01 model)
Command structure Reference standard: IEEE 488.2-1987 (3174-01)