INM 5500 Rev 11
31
6 .2 .2
MTL5522 - Solenoid Alarm driver
Single channel, loop powered, IIB
The MTL5522 is a loop-powered module which enables a device located in the hazardous area
(IIB gas group) to be controlled from the safe area. The MTL5522 can drive a certified intrinsically
safe, low-power load as well as non-energy-storing simple apparatus such as an LED.
6
5
4
3
2
1
7
8
9
10
11
12
13
14
Solenoid, alarm
or other IS device
20 – 35Vdc
–
+
+
–
Hazardous area
Safe area
Terminal
Function
1
Output –ve
2
ve
11
Supply –ve
12
ve
Figure 6 .11:
Top label
for MTL5522
