Yaskawa MP920 User's Manual Design - Manual (Page 46)

2 MP920 Specifications and System Configuration
2.1.2 Hardware Specifications
2-20
„ 215I/F Communications Module (215IF)
Table 2.18 shows the specifications of the 215IF Communications Module.
Table 2.18 Specifications of the 215IF Communications Module
Item Specifications
Hardware
Specifications Name 215IF Communications Module
Model Number JEPMC-CM220
Description 215IF
Dimensions (mm) 40 × 130 × 105 (W × H × D)
Occupies one MP920 option slot.
Mass Board: 165 g, case: 165 g
Power Supply Supplied from the Mounting Base, +5 V, 375 mA
Communications
Specifications Connection Form Electric bus
Connection Electric bus
YS-IPEV-SB, 1P
× 0.3 mm
2
(75 Ω system)
YS-IPEV-SB, 3P × 0.3 mm 2 (75 Ω system)
YS-IPEV-S (Cu), 1P × 1.25 mm 2 (75 Ω system)
Transmission
Distance Total length
At 4 Mbps 170 m
At 2 Mbps 270 m
At 1 Mbps 420 m
Can be extended to 600 m max. by connecting a
repeater
Baud Rate 1, 2, or 4 Mbps (can be switched by software.)
Access Mode Token passing method
Frames Conforming to HDLC
Max. Number of
Nodes 30/segment
Communications
Modes Link communication, message communication:
Approx. 1,024 words/10 ms
Engineering communication
Max. Number of
Transmission Words Link communications 2,048 words
Message communica-
tions, engineering
communications 512 words
Communications
Protocol MEMOBUS (Master/Slave), No protocol
Max. Number of
Connections 30
(64 when repeaters are used)
Media Access Control
Method N : N
Error Detection CRC check, Data length check, timer