B862–001 Register Output, Specifications
(Original Document)
Specification Table
The following table provides the specifications for the unit.
B862-001 Specifications
Description
TTL register output
Number of Points
4 channels, 16 data lines
Operating Voltage
5 V TTL
Number of Groups
N/A
Outputs/group
N/A
Guaranteed Min. Levels
High State > 3.5 Vdc
Low State < 0.4 Vdc while sinking 16 mA
Strobe Output Power
Two TTL loads @ 5 Vdc
Strobe Width Timing
200 μs ±10%
Response Time
11.3 ms between an OURBUS write and field update
Power Required
+5 Vdc I/O
100 mA max.
+4.3 Vdc I/O
100 mA max.
External Power Supply
+5 Vdc is required for pull-up resistor Vcc
Field Device Requirements
TTL output level
Low: < 0.8 Vdc @ 1.6 mA
High: > 2.4 Vdc @ 40 μA
CMOS output level
Low: < 1.6 Vdc @ 0.3 μA
High: > 3.3 Vdc @ 0.3 μA
Terminal Connector
AS-8535-000
Reference Type
Mapped as 64 bits output
0x
or
Mapped as 4 registers output
4x
Output Type
BIN/BCD
NOTE: All user field devices must have outputs that feature latched, tristate, or open collector logic.
NOTE: The user must provide 1.0 kΩ ± 10% pull-up resistors for each strobe line.