Yaskawa MEMOCON GL120 - Manual (Page 193)

4.4 Communications Modules
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3. Specifications
The specifications of the MEMOBUS Module (RS-422) are shown in the following table.
Table 4.58 Specifications of MEMOBUS Module (RS-422)
Item Specifications
Model Name MEMOBUS-RS422
Model No. JAMSC-120NOM27100
External Dimensions Width: 40.3 mm
Height: 130 mm
Depth: 103.9 mm
Approximate Mass 300 g
Internal Current Consumption 600 mA
Maximum Heating Value 3.0 W
Hot Swapping
(Removal/Insertion Under
Power)
Permitted
MEMOBUS Port Specifications Communications Method Half-duplex stop-start synchronization p
Transmission Levels Conform to RS-422.
Protocol MEMOBUS protocol or any other protocol
Baud Rate 19,200/9,600/7,200/4,800/3,600/2,400/2,000/
1,800/1,200/600/300/150 bps
Communications Mode RTU mode or ASCII mode
Data Format Transmission between the master and slaves uses the
following data format:
1) Data bit length: 8 (RTU mode) or 7 (ASCII mode)
2) Parity check: Yes or No
3) Parity: Odd or even
4) Stop bits: 1 or 2
Transmission Distance 500 m max.
Transmission Error
Detection
CRC-16 (RTU mode) or LRC (ASCII mode)
Connector D-sub connector (9 pin, female)
4. Using MEMOBUS Modules (RS-422)
1) Number of Modules
Together with MEMOBUS Modules (RS-232) explained in 4.4.5 MEMOBUS Modules
(RS-232), two MEMOBUS Modules (RS-422) can be used.
2) Installation Location
The MEMOBUS Module (RS-422) can be mounted to any slot of the Mounting Base of
any Rack of the local channel. It will occupy one slot.
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