BIT-END 2971699 - Caterpillar

Environmental
The ambient operating temperature range is from -40° to 70°C (-40° to 158°F).
The storage temperature is from -40° to 85°C (-40° to 185°F).
The unit must be protected from direct contact with liquids. If sealing of the unit is required, the CCM must be in a water tight enclosure.
The CCM weighs 0.75 kg (1.65 lb).Mounting
The CCM can be located on a desk or on a shelf. The rubber feet on the bottom of the CCM can be removed for mounting to a panel.Note: Do not mount the CCM on the engine or within the engine mounted instrument panel. The CCM is not designed for direct engine mounting.Internal Battery
The CCM contains a battery that supplies power for internal memory whenever the CCM is turned off. Refer to the Operation and Maintenance Manual, "Battery - Replace".Power Supply
The requirements for battery voltage are 15 to 45 volts DC (24 or 32 volts DC nominal power).
The +/-B power dissipation is approximately 3.0 watts at 24 volts.
The current drawn by the CCM is 0.11 amps at 12 volts and 0.13 amps at 36 volts.
Multiple engines must share a common ground (-B).
Multiple engines must use diodes to prevent power sharing between units.Dimensions
Illustration 1 g00647099
Table 1
CCM MOUNTING DIMENSIONS    
Item     Dimension    
A    
3.5 mm (0.14 in)    
B    
106.5 mm (4.19 in)    
C    
73.0 mm (2.87 in)    
D    
7.5 mm (0.29 in) diameter holes (4)    
E    
130 mm (5.12 in)    
F    
149.0 mm (5.87 in)    
G    
66.2 mm (2.61 in)    
H    
125.5 mm (4.94 in)    
I    
17.8 mm (.70 in)