GE VersaMax - Page 281

9-38 VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003 GFK-1504K
9
IC200MDD848
Mixed Module, Output 120VAC 0.5A per Pt Isolated 8 Points /
Input 120VAC Grouped 8 Points
Thermal Derating
The number of points that can be on at the same time depends on the ambient temperature,
the external voltage, and the orientation of the module and DIN rail. The charts that follow
show thermal deratings for this module at 120VAC and 132VAC. The shaded bands are
temperature ranges that represent allowable combinations of inputs points for the indicated
number of outputs points. All combinations of points are permissible at lower
temperatures. The narrow white line within each range shows maximum temperature when
the number of output points equals the number of input points that are on at the same time.
Ambient Tem
p
erature
Output Points On At the Same Time
60ºC50ºC 55ºC45ºC40ºC35ºC
8
6
4
2
7
5
3
1
120VAC
All
combinations
of points OK
Maximum
with 8 inputs
ON
Maximum with
0 inputs ON
Ambient Temperature
Output Points On At the Same Time
60ºC50ºC 55ºC45ºC40ºC35ºC
30ºC
8
6
4
2
7
5
3
1
132VAC
All
combinations
of points OK
Maximum
with 8 inputs
ON
Maximum wit
h
0 inputs ON
Ambient Tem
p
erature
Output Points On At the Same Time
60ºC50ºC 55ºC45ºC40ºC35ºC
8
6
4
2
7
5
3
1
120VAC
All
combinations
of points OK
Maximum
with 8 inputs
ON
Maximum with
0 inputs ON
Ambient Temperature
Output Points On At the Same Time
60ºC50ºC 55ºC45ºC40ºC35ºC
30ºC
8
6
4
2
7
5
3
1
132VAC
All
combinations
of points OK
Maximum
with 8 inputs
ON
Maximum with
0 inputs ON
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