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8013741/16LH/V1-7/2020-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
3
INSTALLATION
3.5.1
Signal connections in the sender unit
Fig. 7: Electrical connections in the sender unit main power supply (
3.5.1.1
Opening the sender unit
1
Loosen 4 screws (5 mm Allen key).
2
Open the cover.
Pt100
Line: AWG26-15
Temperature monitor 2
Temperature monitor 1 (cell)
Controller 2
Controller 1 (cell)
Heaters
Output voltage as main supply voltage
Capacity: Max. 550 VA (per output)
Line: AWG24-12
Heater
Line
Pin
Heater 1
(cell)
L1
4
N
5
PE
6
Heater 2
L1
7
N
8
PE
9
WARNING:
Damage to eyes by radiation
Depending on the lamp type, eyes can be damaged by radiation.
▸
Before opening the cover of the sender unit: Switch off the MCS300P Ex at the
external main power switch.
WARNING:
Hot lamp
Components in the area of the lamp can be hot.
▸
Do not touch components in the area of the lamp; allow to cool down first.
Also observe the general information on opening the enclosure (
opening the device enclosure”, page 57
).