Digital Output Modules; Mtl5521/Mtl5521-T - Solenoid Alarm Driver - Eaton MTL5501-SR Instruction Manual

6 .2
The single channel Digital Output (DO) module range enables on/off devices in a hazardous area
to be controlled from the safe area. Some units are loop powered while others enable solid-state
switching by providing independent power supplies.
6 .2 .1
Single channel, loop powered, IIC
The MTL5521(-T) is a loop-powered module that enables a device located in the hazardous area
(IIC gas group) to be controlled from the safe area. The MTL5521(-T) can drive a certified
intrinsically safe low-power load, as well as non-energy-storing simple apparatus such as an
LED.
MTL5521
STS
Figure 6 .10:
Top label
for MTL5521(-T)
30

Digital Output modules

MTL5521(-T) - Solenoid Alarm driver
Hazardous area
To earth leakage
detector *
Solenoid, alarm
or other IS device
Terminal Function
1 Output –ve
2 Output +ve
11 Supply –ve
12 Supply +ve
Safe area
6
7
5
8
4
9
10
3
+
11
2
12
1
–
13
14
20 – 35Vdc
–
+
INM 5500 Rev 10