Eaton Crouse-Hinds MTL5500 Series Instruction Manual page 78

10 .2 .3 Testing
Make the safe- and hazardous-area connections shown in figure 10.2, and check the status
of the output contacts for each channel in turn (with a 22kΩ resistor connected to the other
channel) as shown in the table 10.1.
Table 10 .1
Phase
reverse
switch
Normal
Reverse
Reverse
Normal
Normal
Normal
Normal
70
Figure 10 .2: Test circuit for MTL5018AC
Line Input
fault switch
detection (SW)
Off a
= 7 _ 9mA
Off I
SC
Off Open
= 7.5 _ 9.5V
On V
OC
On a
On b
On c
Output Output
relay relay
(11-12, 8-9) (10-11, 7-8)
Closed Open
Open Closed
Closed Open
Open Closed
Open Closed
Open Closed
Closed Open
Channel Line fault
status LED LED
(yellow) (red)
On Off
Off Off
Off Off
Off On
Off On
Off Off
On Off
INM 5500 Rev 11