Specifications

Publication 1760-SG001F-EN-P - May 2006
Pico and Pico GFX-70 Programmable Controllers 27
Table 19 GFX I/O Modules Input Specifications
Specification 1760-IB12XOW4IF, 1760-IB12XOW4IOF
1760-IB12XOB4IF, 1760-IB12XOB4IOF
1760-IA12XOW4I
Number of digital inputs 12 12
Inputs usable as analog inputs (I7, I8, I11, I12) 4 0
Inputs usable as high-speed inputs (I1, I2, I3, I4) 4 0
Rated voltage 24V dc 120/240V ac
Off-state voltage I1 to I6 and I9 to I10: < 5V dc
I7, I8, I11, I12: < 8V dc
0…40V ac
On-state voltage I1 to I6 and I9 to I10: > 15V dc
I7, I8, I11, I12: > 8V dc
79…264V ac
On-state current I1 to I6, I9 to I10 at 24V dc: 3.3 mA
I7, I8, I11, I12 at 24V dc: 2.2 mA
115V ac: 0.2 mA
230V ac: 0.5 mA
Signal delay Debounce On: 20 ms
Debounce Off, typical:
I1 to I4s: 0.025 ms
I5, I6, I9, I10: 0.25 ms
I7, I8, I11, I12: 0.15 ms
–
Number of analog inputs (I7, I8, I11, I12) 4 0
Input type DC voltage –
Signal range 0…10V dc –
Resolution analog 0.01V –
Resolution digital 10-bit (0…1023 counts) –
Input impedance 11.2K Ω –
Accuracy Two GFX devices, from actual value: ±3%
Within a unit, from actual value, (I7, I8, I11, I12):
±2%
–
Input current < 1 mA –
Conversion time, analog to digital Debounce On: 20 ms
Debounce OFF: each cycle time
–
Number of high-speed inputs (I1, I2, I3, I4) 4 0
High-speed up and down counters Frequency: < 3 kHz
Pulse shape: square wave
–
Frequency counters Frequency: < 3 kHz
Pulse shape: square wave
–
Incremental counter encoder Frequency: < 3 kHz
Pulse shape: square wave
Counter inputs I1 and I2, I3 and I4: 2
Signal offset: 90°
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