IAI America REXT - Manual (Page 39)

Part 1 Specification
Chapter 3 Gateway R unit
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Part 1 Specification
Item Specification
Power supply 24 VDC r 10%
Current consumption 600 mA max.
Communication protocol CC-Link Version 2.00 (Version 1.10)
Baud rate 10 M/5M/2.5M/625k/156k [bps] (Set by a ROBONET gateway parameter)
Communication method Broadcast polling method
Synchronization method Frame synchronization method
Encoding method NRZI
Transmission path type Bus type (Conforming to EIA RS485)
Transmission format Conforming to HDLC
Error control method CRC (X 16 + X 12 + X 5 + 1)
Number of occupiable stations Remote device stations: four x1 stations, two x4 stations or two x8 stations
Baud rate (bps) 10M 5M 2.5M 625k 156k Communication cable length (*1)
Total cable length (m) 100 160 400 900 1200
C
C
-L
in
k
sp
ec
ifi
ca
tio
n
Communication cable Dedicated CC-Link cable
Transmission path configuration IAI’s dedicated multi-drop differential communication
Communication method Half-duplex
Synchronization method Asynchronous method
Transmission path type 2-wire method corresponding to EIA RS485
Baud rate 230.4k [bps]
Error control method CRC with no parity bit (*2)
Communication cable ROBONET communication connection circuit board (supplied), ROBONET
extension cable (when an extension unit is used) S
IO
c
om
m
un
ic
at
io
n
sp
ec
ifi
ca
tio
n
Number of connectable units 16 axes max.
Ambient operating temperature 0 to 40qC
Ambient operating humidity 95% RH max. (non-condensing)
Operating ambience Free from corrosive gases, flammable gases, oil mist or powder dust.
Storage temperature -25 to 70qC
Storage humidity 95% RH max. (non-condensing)
Vibration resistance XYZ directions:
10 to 57 Hz, half amplitude – 0.035 mm (continuous) / 0.075 mm (intermittent)
57 to 150 Hz – 4.9 m/s 2 (continuous) / 9.8 m/s 2 (intermittent)
E
nv
iro
nm
en
t
co
nd
iti
on
s
Impact resistance XYZ directions: 147 mm/s 2 , 11 ms, half-sine wave pulse
Protection degree IP20
Weight Approx. 140 g
External dimensions 34 W x 105 H x 73.3 D [mm]
*1: For T-branching communication, refer to the operation manuals of the master unit and the PLC installed in the master unit.
*2: CRC: Cyclic Redundancy Check
A data error detection method frequently used for synchronous transmission.
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