Table of Contents
Advertisement
3
Environmental specifications
Operating ambient temperature
Humidity no condensation
Vibration resistance
Shock resistance
Noise immunity
Dielectric withstand voltage
Insulation resistance
Ground
Operating ambience
Power source specification and type of isolation
Supply voltage
Current consumption
Type of isolation
Performance specification
Transmission specification * For detail of Special D8120, D8121, and D8129, see the 485PC-IF manual.
Item
Interface
Communication method
Synchronization method
Transfer speed (bps)
Start bit
Data bit
Data format
Vertical parity bit
Stop bit
Error
Parity check
detection
Sum check
Transfer control procedure
Access cycle
Circuit configuration (computer : PC)
ransfer
RS-485, RS-422
distance
RS-232C
Station numbers
Time-out judging time
(Special D8129 )
SPECIFICATIONS
0 to 55°C, storage temperature -20 to 70°C
35 to 85% RH (No condensation)
Conforming to JIS C 0911. 10 to 55 Hz, 0.5 mm (max. 2G), 2 hr each in 3 axes; however, 0.5G
when mounting DIN rail.
Conforming to JIS C 0912. 10G, 3 times each in 3 axes
Noise voltage 1000V p-p, noise width 1 sec, period 30 to 100 Hz, by noise simulator.
500V AC, 1 min
500V DC, 5 M
by Megger
Grounding resistance of 100
Free from corrosive gases, minimal dust.
5V DC (supplied from PC), 24V DC ±10%
External power supply : 24V DC, max. 50 mA
Internal power supply from PC : 5V DC, max. 30 mA
Power source is isolated by transformer ; PC and communication signal lines are isolated by
photo coupler .
Conforming to RS-422 / 485.
Exclusive protocol, half-duplex communication system
Start-stop synchronous system
300,600,1200,2400,4800,9600,19200
Odd / even / none
Protocol format 1 or format 4
One request is processed at the time of END processing of sequence program. Therefore,
access cycle is one scan time.
1 : 1 or 1 : n (n = 0 to 15, max. 16 stations)
Total extension within 500 m
Within 15 m
0 to 15 (set by Special D8121 )
FX
1 to 255 (10 to 2,550 ms) ; however, setting of "0" hrenders 100 ms.
0N
FX, FX
1 to 3,276 (10 to 32,760 ms) ; however, setting of "0" hrenders 100 ms.
2C
or less (class 3)
Specifications
1
7 or 8
The communication format of the PC is set using
1 or none
special D8120.
1 or 2
Yes / no
Between all terminals in batch and FG terminal
*
Advertisement
Table of Contents
