The I/O Expansion Cabinet is used to install a node. It can be mounted beside a ?eld control unit (FCU) or separay. A Node Interface Unit (NIU) and an I/O Unit (IOU) can be installed at the front and rear of the cabinet.
Description
Model
ACB21
I/O Expansion Cabinet
Suf?x Codes
-S
Standard Type
1
Front/Rear: For Cabinet Installation type NIUs Mounting
2
Front: For Cabinet Installation type NIUs Mounting Rear: For 19-inch Rack Equipment Mounting
3
Front/Rear: For 19-inch Rack Equipment Mounting (*3)
0
No Power Supply (Applies only to -S3) (*3)
1
Single Power System
2
Dual Power System
0
No Power Supply (Applies only to -S3) (*3)
1
100-120 V AC Power Supply
2
220-240 V AC Power Supply
4
24 V DC Power Supply
0
Always 0
Option Codes
/ £-NSR1
Node Interface Unit for Single RIO bus, Single Power Supply Attached to Rear End of FCU
/ £-NSR2
Node Interface Unit for Single RIO bus, Dual Power Supply Attached to Rear End of FCU
/£-NDR4
Node Interface Unit for Dual-Redundant RIO bus, Dual Power Supply Attached to Rear End of FCU
/CH
Channel Base with Hole for Cable (*1)
/CE
With CE Mark and C-Tick Mark (*2)
*1: ACB21 with this or option code (/CH) does not have CE or C-Tick Mark.
*2: Change the gasket of the front and rear doors of a cabinet to a conductive gasket.
*3: If you specify this suf?x code -S3000, a fan is not supplied with ACB21.