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Document: LT0273 MX4428 MXP Engineering / Technical Manual
Device Information and Programming
Issue 1.5 24 March 2006 Page 3-33
Maximum input cable length 10m
EOL 200Ω + / - 5%.
Alarm Resistance 100Ω + / - 5%. (if used)
3.16.3 FIELD WIRING
TB1
TB1
TB2
TB2
L+
L+
L+
L+
L-
L-
L-
L-
NEXT
DEVICE
NEXT
DEVICE
PREVIOUS
DEVICE
PREVIOUS
DEVICE
200
ohm
EOL
200
ohm
EOL
100
ohm
ANALOG LOOP
ANALOG LOOP
MIM800
Mini Module
MIM800
Mini Module
Sh
Sh
IN- IN+ O- O+
IN- IN+ O- O+
LED
LED
TB1
TB2
L+ L+L- L-
NEXT
DEVICE
PREVIOUS
DEVICE
200
ohm
EOL
ANALOG LOOP
MIM801
Mini Module
Sh
IN- IN+ O- O+
LED
Normally Open
(default for MIM800, option for MIM801.)
N/O with S/C fault
(for MIM800 or MIM801)
Normally Closed
(
default for MIM801,option for MIM800
)
Requires Param_2 = 176
(
MIM800
),
Param_5 = 40 (MIM801)
Inputs must be voltage free.
Figure 3.4 CLEAN CONTACT DEVICE CONNECTION TO MIM800 / MIM801
3.16.4 MX4428 PROGRAMMING OPTIONS - MIM800 / MIM801
The mode sets the operating configuration.
For the MIM800 the default value of 4 selects normally open operation with no interrupt. A
mode of 6 selects normally open with interrupt on alarm. Changing parameter 2 to 176
enables short circuit fault detection. Setting the mode to 5 enables normally closed
operation.