890SD Standalone Drive 
Page 5-18  890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D 
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B 
C 
D 
1 
2 
3 
4 
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E 
Power Connections - 890SD Standalone Drive 
MOTOR THERMISTOR 
MOTOR
THERM.
 
Detects over-temperature in motors fitted with an internal 
thermistor 
Link these terminals for motors not fitted with an internal 
thermistor (or set SETUP::TRIPS::I/O TRIPS::INVERT 
THERMIST to True). 
Maximum wire size: 
0.22 Nm/0.16lbf 
The connections have no polarity. Thermistor PTC `Type A’ is 
supported as defined in IEC 34-11 Part 2: 
Rising temperature trip resistance: 1650 to 4000
Ω
 
Falling temperature trip reset resistance: 750 to 1650
Ω
 
Mechanical Brake (24V) - Option 
-
+
-
+
OUT
IN
01
02
03
04
COIL
24V supply
 
Connect the 24V DC brake supply to terminals 1 and 2, and 
connect the brake terminals to 3 and 4. The brake coil is energized 
when the drive runs. The terminals are rated for 2A DC at 24V DC.