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P & I Design Ltd.
Instrument Specification
CLIENT:
REV DATE
BY
CHKD
APPD
CLIENT REF.
Simon Storage (Immingham East)
A 09.04.99 AJH DRR
DRR
FINA Rail Loading
P & I REF.
SI039012.SPC
SHT
1
OF
2
ITEM:
Multiplexer System
(Digital)
GENERAL
Tag Number
N/A
Service
North & South Siding MUX
Area Classification
Zone 1 IIB T3
RECEIVER
Supply
24Vdc
No. of Channels
16
Contact Outputs :
Type
Relay (Energised when input ‘closed’)
Rating
240V, 1A, 120VA, ac: 50V, 0.1A, 5W, dc.
Indication Outputs : Type
LED x 16
Fault Outputs :
Type
MUX (LED & Relay), Highway (Relay)
Housing : Material
Moulded Polycarbonate
Enclosure Class
General Purpose
Electrical Classification Safe Area
Electrical Connection Terminals
Mounting
DIN Rail
TRANSMITTER
Supply
Loop powered Via MTL 3052 Isolator
No. of Channels
16
Field Inputs :
Type
Contact Inputs
Rating
‘Closed’ if > 2.1 mA, ‘Open’ if < 1.2mA
Operating Range
0.5km typically
Housing : Material
Moulded Polycarbonate
Enclosure Class
IP67
Electrical Classification EExia IIC T6
Electrical Connection Terminals
Mounting
DIN Rail
OPTIONS
MANUFACTURERS
Supplier
MTL
DATA
Model Number
4 off Reciever: MTL825B
4 off Transmitter: MTL821B
4 off Isolator: MTL3052
DOCUMENTATION
See attached Documentation Specification
ZXS-MXA1.SPC