User guide

48237-EN/6
Momentum automation platform 0
Discrete I/O Bases
Characteristics of discrete I/O bases
(continued)
Type of base unit 170 ADM 690 51
Number of inputs
1x10
Number of outputs
1x8
Operating voltage
VAC 120(47…63Hz)
Internal current
mA 160 (@ 120 VAC)
Inputs Voltage
VAC 120
Signal type
True high
On voltage minimum
VAC 74
Off voltage maximum
VAC 20
Input current mA 6.0 minimum at state 1, 2.6 maximum at state 0
Input voltage range VAC 74...132
Input resistance kΩ 4
Response time ms Maximum 1/2 x 1/f Off to On, maximum 1/2 x 1/f On to Off
Outputs Voltage
VAC 120…132 (@ 47…63 Hz)
Type
Triac
Current capacity
0.5 A per point maximum, 30 mA per point minimum, 2 A per group, 4 A per module
Leakage current
mA <1.3(@120VAC)
Signal type
True High
On state voltage drop
VAC <1.5(@0.5A)
Error indication
None
Response time
ms 1/2 x 1/f maximum from state 0 to state 1, 1/2 x 1/f maximum from state 1 to state 0
Maximum switching cycles
3000/hr for 0.5 A inductive load
Potential Isolation Input to input
None
Output group to output
group
None
Input to output group
VAC None
Field to communication
interface
VAC 1780
Power dissipation Typical
W 6
Maximum
W 8
Protection Internal fuses
A 2 x 2.5 slow-blow fuses
Agency approvals
UL, CE, CSA
Characteristics
(continued)
References :
pages 48237/7 to 48237/8
Connections :
pages 48237/9 to 48237/13