Instruction manual

4. WIRING
IMSRM52-E5
26
4.2 Connection of H-LNK-A Module With Master Station
z Always connect a terminating resistor between the DA and DB terminals of the module
to be located at the far end. Use the terminating resistor attached to the Control &
Communication Link master station.
z Never use a T-type branch or star connection.
z Use a twisted pair cable dedicated to Control & Communication Link Ver. 1.10.
z Ground both ends of the shield wire on the twisted pair cable (so that the grounding
resistance is 100 Ω or less) via the SLD or FG terminal of each module. In addition, the
SLD terminal is internally connected with the FG terminal.
z Do not ground the instrument together with other equipment.
z Use grounding wires with a cross section of 2.0 mm
2
or more.
CAUTION
To prevent electric shock or instrument failure, turn off the power before
connecting or disconnecting the instrument and peripheral equipment.
WARNING
!