Digital Output Configurations

Table 47. Single Output
Fault Output Signal Value
True False
Short to ground Overcurrent fault Not detected, safe state
Short to Vsup Not detected Readback fault
Open circuit Open circuit fault Not detected, safe state
Table 48. Single Output with Internal Test Pulse
Fault Output Signal Value
True False
Short to ground Overcurrent fault Not detected, safe state
Short to Vsup Test pulse fault Readback fault
Open circuit Open circuit fault Not detected, safe state
Table 49. Single Output with External Test Pulse
Fault Output Signal Value
True False
Short to ground (output channel) Overcurrent fault Not detected, safe state
Short to Vsup (output channel) Test pulse fault Readback fault
Short to ground (input channel) Overcurrent fault Not detected, safe state
Short to Vsup (input channel) Test pulse fault Readback fault
Open circuit Open circuit fault Not detected, safe state
Table 50. Single Output with External Readback
Fault Output Signal Value
True False
Short to ground (output channel) Overcurrent fault Not detected, safe state
Short to Vsup (output channel) Not detected Readback fault
Short to ground (input channel) Overcurrent fault Not detected, safe state
Short to Vsup (input channel) Not detected Readback fault
Open circuit Open circuit fault Not detected, safe state
Table 51. Dual Output
Fault Output Signal Value
True False
Short to ground (one or both channels) Overcurrent fault Not detected, safe state
Short to Vsup (one or both channels) Not detected Readback fault
Open circuit (one or both channels) Open circuit fault Not detected, safe state
Table 52. Dual Output with Internal Test Pulse
Fault Output Signal Value
True False
Short to ground (one or both channels) Overcurrent fault Not detected, safe state
Short to Vsup (one or both channels) Test pulse fault Readback fault
Open circuit (one or both channels) Open circuit fault Not detected, safe state
Table 53. Dual Output with External Test Pulse
Fault Output Signal Value
True False
Short to ground (output channel) Overcurrent fault Not detected, safe state
Short to Vsup (output channel) Test pulse fault Readback fault
Short to ground (input channel) Overcurrent fault Not detected, safe state
Short to Vsup (input channel) Test pulse fault Readback fault
Open circuit Open circuit fault Not detected, safe state