Campbell CR6 Series, Руководство оператора

Страница: 112 / 690

Section 6. Specifications
112
Low-Level Ac Pulse Input Ranges
Sine Wave Input
1
(mV RMS)
Input Frequency Range
(Hz)
20 1.0 to 20
200 0.5 to 200
2000 0.3 to 10,000
5000 0.3 to 20,000
1
Ac coupling removes ac offsets up to ±0.05 V.
6.1.5 Digital I/O Function: Input — Specifications
For reading smart sensors, see Digital I/O Function: Communications —
Specifications
(p. 114).
Programmable Terminals — Digital I/O Function: Input
Terminal Label

============
Function

C1 C2 C3 C4 U1 U2 U3 U4 U5 U6 U7 U8 U9 U10 U11 U12
Status
PortGet()
ReadIO()
               
Edge timing
1
TimerInput()
               
Edge counting
TimerInput()
               
Interrupt
WaitDigTrig()
               
1
Number of usable terminals varies from 1 to 15. One terminal is always needed as a reference.
Terminal Label

============
Function

6.1.5.1 State — Specifications
Input state
High/On/1: logic high
Low/Off/0: logic low
Input Resistance: See following TABLE: U and C Terminal Input
Resistance (p. 113)