Control Systems
V-144
4
4
Power distribution system
4-1. SiM (WHM interface module) (MIM-B12)
1) Features
2) Dimensional drawing
• Watt-hour meter interface unit
• 8-channel real-time watt-hour consumption display
• Automatic watt-hour meter tracking
• Current communication state indication
Unit : mm
Power supply
Maximum communication length
Communication connection
Maximum number of interface
Operating humidity range
9VDC ~ 12VDC, 500mA
RS485 : Maximum 1000m
Lower-layer device : Specified watt-hour meters
Upper-layer device : DMS
8 watt-hour meters for one SiM
8 SiMs for one DMS
0%RH ~ 90%RH
118
Ø6
16 16
160
77
20
20
05-4~6_control systems(142~171 3/6/08 14:09 Page 144
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