Baldor MN1928 5-20Input / Output, 5.3.6.1BPL010-502- PNP outputs, 5.3.6.2BPL010-503- NPN outputs

5.3.6.1BPL010-502 - PNP outputs

An external supply (typically 24VDC) is used to power the UDN2982 output devices, as shown in Figure 22. When an output is activated, current is sourced from the user supply through the UDN2982, which can source up to 75mA per output (all outputs on, 100% duty cycle).

Connect OUT COM to the user supply GND. This will connect internal transient suppression diodes on all outputs. If an output is used to drive a relay, a suitably rated diode must be fitted across the relay coil, observing the correct polarity (see Figure 24). The use of shielded cable is recommended.

NextMove ES

OUTX.0

Control circuitry

	Backplane & opto-isolator card
	+5V
	6
	2k2
	UDN2982
96	10
pin
connector
	1
	TLP521-4

‘X6’
	User
	supply
	24V
USR V+
‘X11’

USR COM

DOUT0

Output

Load User

supply

9

OUT COM

GND

Figure 22 - Digital output circuit (DOUT0-7) with ‘PNP’ current sourcing module - DOUT0 shown

5.3.6.2BPL010-503 - NPN outputs

An external supply (typically 24VDC) is used to power the UDN2803 output devices and drive the load, as shown in Figure 23. When an output is activated it is connected to USR COM through the ULN2803, which can sink up to 150mA per output (all outputs on, 100% duty cycle). Connect OUT COM to the user supply 24V. This will connect internal transient suppression diodes on all outputs. If an output is used to drive a relay, a suitably rated diode must be fitted across the relay coil, observing the correct polarity (see Figure 24). The use of shielded cable is recommended.

NextMove ES

OUTX.0

Control circuitry

	+5V	Backplane & opto-isolator card
		2k2	6
96		ULN2803
pin
connector
	TLP521-4		1
			9
			10

‘X6’

USR V+

‘X11’	Output
	Load
DOUT0

OUT COM

USR COM

User supply 24V

User supply

GND

Figure 23 - Digital output circuit (DOUT0-7) with ‘NPN’ current sinking module - DOUT0 shown

5-20 Input / Output MN1928