Specifications

Environmental specifications

Operating ambient temperature

0 to 55°C, storage temperature -20 to 70°C

Humidity no condensation

35 to 85% RH (No condensation)

Vibration resistance

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.

Shock resistance

Conforming to JIS C 0912. 10G, 3 times each in 3 axes

Noise immunity

Noise voltage 1000V p-p, noise width 1μsec, period 30 to 100 Hz, by noise simulator.

Dielectric withstand voltage

500V AC, 1 min

Between all terminals in batch and FG terminal

Insulation resistance

500V DC, 5 M Ω by Megger

Ground

Grounding resistance of 100 Ω or less (class 3)

Operating ambience

Free from corrosive gases, minimal dust.

Power source specification and type of isolation

Supply voltage

5V DC (supplied from PC), 24V DC ±10%

Current consumption

External power supply : 24V DC, max. 50 mA

Internal power supply from PC : 5V DC, max. 30 mA

Type of isolation

Power source is isolated by transformer ; PC and communication signal lines are isolated by

photo coupler .

Performance specification

● Transmission specification

* For detail of Special D8120, D8121, and D8129, see the 485PC-IF manual.

Item

Specifications

Interface

Conforming to RS-422 / 485.

Communication method

Exclusive protocol, half-duplex communication system

Synchronization method

Start-stop synchronous system

Transfer speed (bps)

300,600,1200,2400,4800,9600,19200

Start bit

Data format

Data bit

7 or 8

The communication format of the PC is set using

Vertical parity bit

1 or none

special D8120.*

Stop bit

1 or 2

Error

Parity check

Odd / even / none

detection

Sum check

Yes / no

Transfer control procedure

Protocol format 1 or format 4

Access cycle

One request is processed at the time of END processing of sequence program. Therefore,

access cycle is one scan time.

Circuit configuration (computer : PC)

1 : 1 or 1 : n (n = 0 to 15, max. 16 stations)

ransfer

RS-485, RS-422

Total extension within 500 m

distance

RS-232C

Within 15 m

Station numbers

0 to 15 (set by Special D8121 )

Time-out judging

time

FX0N

1 to 255 (10 to 2,550 ms) ; however, setting of “0” hrenders 100 ms.

(Special D8129

)

FX, FX2C

1 to 3,276 (10 to 32,760 ms) ; however, setting of “0” hrenders 100 ms.