background image

ACS310, ACS320, ACS350 and ACS355 

MUL1-R4 Installation Instructions

1

WARNING!

Before installing MUL1-R4 

option, read the safety instructions and 
mechanical and electrical installation 

1

instructions in the drive 

User’s Manual

Follow the instructions when installing, 
operating and servicing the drive. If 
ignored, physical injury or death may 
follow, or damage may occur to the 
drive, motor or driven equipment.

M4×8

2

Note:

You cannot lead the Safe torque off (STO) cable 

through the gland plate in the ACS355.

2. Fasten the gland box frame to wall with four M4 screws (not 
included).

1. Fasten the gland box frame to drive with two M4×16 screws 
and one M4x8 screw. 

Note:

The M4×8 screw is already 

installed in the drive.

4

5a

5b

3

5. Install the clamp (5a) for the control cable, or if cables are run 
in conduits, replace all clamps with suitable glands (not 
included). Run cables through the clamps and tighten. Strip 
cable ends. Fasten the grounding conductor (PE) of the input 

© 2010 ABB Oy. All Rights Reserved. 

3AUA0000025916 Rev. C / 2010-01-25

3. If control cables or fieldbus option modules will be installed, 
remove the detachable lid (3) from the gland box cover.

4. With any fieldbus option module except FRSA-00, install the 
option grounding plate to the gland box frame. See 

Mechanical 

installation 

in the drive manual.

g

g

(

)

p

power cable and the twisted shield of motor cable under the 
grounding clamps (5b). Connect the conductors to appropriate 
terminals. See 

Electrical installation 

in the drive manual.

Reviews: