Specifications
Publication 1760-SG001F-EN-P - May 2006
24 Pico and Pico GFX-70 Programmable Controllers
Number of analog inputs 2 (4 inputs 1760-L18DWD-xx) 2 4
Input Type dc voltage dc voltage dc voltage
Signal Range 0…10V dc 0…10V dc 0…10V dc
Analog Resolution 0.1V 0.1V 0.1V
Input Impedance 11.2K Ω 11.2K Ω 11.2K Ω
Accuracy of
Accuracy, Two Pico Devices ±3% of actual value ±3% of actual value ±3% of actual value
Accuracy, Within a Single Device
(I7, I8)
±2% of actual value ±0.12V ±2% of actual value ±0.12V ±2% of actual value ±0.12V
Input Current < 1 mA < 1 mA < 1 mA
Analog to Digital Conversion
Time
Debounce On: 20 ms
Debounce Off: every cycle
Debounce On: 20 ms
Debounce Off: every cycle
Debounce On: 20 ms
Debounce Off: every cycle
Number of high-speed inputs
(I1, I2, I3, I4)
4 4 4 (1760-L18xxx and 1760-L20xxx)
High-speed up and down
counters
Frequency: < 1 kHz, Pulse shape: square wave
Frequency counters Frequency: < 1 kHz, Pulse shape: square wave
(1)
Delay times for expansion modules are circuit delays only. Additional time is needed to transfer the status to the controller.
Table 15 Pico DC Controllers and Expansion I/O Input Specifications
Specification 1760-L12DWD
1760-L12DWD-ND
1760-L18DWD-EX
1760-L18DWD-EXND
1760-L12BBB
1760-L12BBB-ND
1760-L12BWB
1760-L12BWB-NC
1760-L12BWB-ND
1760-L18BWB-EX
1760-L18BWB-EXND
1760-L20BBB-EX
1760-L20BBB-EXND
1760-IB12XOB8
(1)
1760-IB12XOW6I
Table 16 Pico Controllers and Expansion I/O Relay Output Specifications
Specification 1760-L12AWA-xx
1760-L12BWB-xx
1760-L12DWD-xx
1760-L12NWN-xx
1760-L18AWA-xx
1760-L18BWB-xx
1760-L18DWD-xx
1760-L18NWN-xx
1760-IA12XOW6I
1760-IB12XOW6I
Number of relay outputs 4 6
In Groups of 1
Connection of Outputs in Parallel to Increase the Output Not permissible
Protection for an Output Relay Miniature circuit-breaker B16 or 8 A fuse (slow)
Isolation to Power Supply and Inputs 300V ac reinforced insulation
Contacts Relays
Conventional Thermal Current 8 A (10 A UL)
Recommended for Load > 500 mA, 12V ac/dc
Short-Circuit Resistance COS 1 16 A characteristic B (B16) at 600 A
Short-Circuit Resistance COS 0.5 to 0.7 16 A characteristic B (B16) at 900 A
Rated Impulse Withstand Voltage U
imp
Contact/Coil 6 KV
Rated Insulation Voltage U
i
Rated Operational Voltage U
e
250V ac
Isolation to EN 50178 Between Coil and Contact 300V ac reinforced insulation