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Chapter 6: sDIO Module
NOTE: The off-state current range exceeds the leakage current of sDIO outputs. This
guarantees that the inputs will not be turned on by the leakage current from the out-
puts. This is useful in situations where the outputs are looped-back to the inputs for
monitoring purposes.
sDIO Outputs
The 32 output channels are arranged in four groups of eight. Each group is isolated from the
other groups and is optically isolated from the sDIO circuitry. The eight outputs within each
group share a common power supply and a common ground.
The outputs are accessed through the two female 44-pin D-sub output connectors on the front
of the sDIO module. Each connector provides access to two output groups. Each group
requires 19 pins: 8 output signals, 1 test signal, 9 power supply (all tied together), and 1 power
supply ground reference. When an output is on, current will flow in through the power supply
pins and out through the output pins. This type of output is considered sourcing, that is, in the
ON condition, current flows out of the output pin. See the figure Typical sDIO Output Wiring
on page 75 for details on typical digital output wiring.
Testing sDIO Outputs
Like many solid-state I/O systems, when an output is off, a small leakage current will flow out
of the output. This will raise the potential of the output to the power supply voltage level if
there is no load. With a load connected, the output will function normally. However, if you
need to test the output with a voltmeter with a load disconnected, you will get a false reading.
The test signal provides a bias that can be used as a pull-down resistor for system-level
troubleshooting. When this is connected to an output, the output will assume the ground poten-
tial when it is off.
sDIO LEDs
A pair of two-color LEDs on the sDIO module indicate link status over the IEEE 1394 con-
nection and system status. The upper LED lights green when an IEEE 1394 connection is estab-
lished. The lower LED blinks green when the software is active and switches to solid green
after the controller software has found and configured the DIO block. The lower LED lights
solid red whenever an output fault (excessive current or temperature) is detected on any of the
32 outputs. Refer to the following table for information about the LEDs and the figure sDIO
Connectors and Indicators on page 63 for information on their location.
NOTE: A fault indication is the result of an over-temperature or over-current con-
dition on one or more of the outputs, usually due to a short-circuit. As a result, the
output driver IC will oscillate on and off as the chip tries to drive the load.
Note that this red fault LED is active only when:
l
An extended output (for example, a SIGNAL in the range of 33 to 64) has been turned
on by an eV+ command.
l
An activated output has a thermal-overload problem, usually due to a short in the
user’s wiring from the output pin to the user’s ground.
Adept SmartController EX User’s Guide, Rev. D
Page 72 of 94
- Adept SmartController EX 1
- Copyright Notice 4
- Table of Contents 5
- Chapter 4: Maintenance 53 6
- Chapter 6: sDIO Module 59 6
- Chapter 7: Adept DeviceNet 83 6
- Page 7 of 94 7
- Chapter 1: Introduction 9
- 1.3 Safety Precautions 12
- 1.7 How Can I Get Help? 13
- Related Manuals 14
- Adept Document Library 14
- Chapter 2: Installation 15
- Repacking for Relocation 16
- Space Around the Chassis 16
- 4X 40356-00000 17
- Stack-Mounting Components 18
- Memory Card 19
- SD Card Slot 20
- Connecting Power 21
- Circuit protection < 8A 22
- Grounding Point 23
- 2.2 System Cable Installation 25
- Chapter 3: Operation 27
- 3.2 Front Panel 31
- Configuring Serial Ports 33
- RS-232 Connectors 33
- RS-422/485 Connector 34
- Line E-Stop 38
- (External User 38
- E-Stop system) 38
- Adept Front Panel Schematic 39
- Line E-Stop Input 40
- Remote Manual Mode 41
- User Manual/Auto Indication 41
- User High Power On Indication 41
- High Power On/Off Lamp 42
- Remote Pendant Usage 43
- DeviceNet Connector 43
- XDIO Connector 43
- Adept-Supplied Equipment 45
- Customer-Supplied Equipment 45
- (Typical Examples) 45
- 3.7 Belt Encoder Interface 49
- BELT ENCODER 50
- Encoder Channel 1 51
- Encoder Channel 2 51
- Page 52 of 94 52
- Chapter 4: Maintenance 53
- Units are mm 55
- 5.2 sDIO Module Dimensions 56
- Page 57 of 94 57
- Page 58 of 94 58
- Chapter 6: sDIO Module 59
- Rack-Mounting the sDIO Module 60
- - + - + 63
- Page 67 of 94 67
- Page 68 of 94 68
- Recommended 69
- Configurations 69
- 6.6 sDIO Digital I/O Signals 70
- Input Group 1 71
- Input Group 2 71
- X4 Connector – 71
- 26-Pin Female D-Sub 71
- Testing sDIO Outputs 72
- Page 74 of 94 74
- X2 Connector – 75
- 44-Pin Female D-Sub 75
- Adept Digital Output 75
- Cable (optional) 75
- Page 77 of 94 77
- Page 78 of 94 78
- Page 79 of 94 79
- Page 80 of 94 80
- Page 81 of 94 81
- Chapter 7: Adept DeviceNet 83
- Configuring DeviceNet 85
- DeviceNet Connectors 88
- ¼ W resistor to CAN_H 90
- Page 92 of 94 92
- P/N:11069-000 Rev. D 94
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