Appendix C
OSA Remote Specifications
C-3
Bedrock Secure OSA Remote User Manual - BRDOC020_001
10/11/18
Physical Characteristics
The OSA Remote has the physical characteristics listed in Table C-2.
Field Wiring
Requirements
Bedrock Automation provides a 20-pin connector (Phoenix Contact part
number 1835325) for connection to field devices. The connector has been tested
according to UL 1059, Use Group C (industrial applications without
restrictions).
Cabling between the OSA Remote and field devices must meet the following
requirements:
•
Minimum 22 AWG, maximum 16 AWG, shielded
•
Maximum temperature of 105°C
•
UL Type CM or AWM21894
•
C(UL) Type CMG FT4 (for use in Canada)
•
oil and gas resistant
The Bedrock Universal Cable is available as an accessory for connecting the
OSA Remote to field devices. It is available in standard lengths of 1, 3, or 5
meters. It can also be ordered in custom lengths. See Table A-2 for model and
part number information.
Input / Output
Specifications
Each OSA Remote I/O channel can be independently configured for one of the
operating modes described in Table C-1. Depending upon the mode selected,
the following functionality is available:
•
4-20 mA input or output with or without HART
•
discrete input with programmable debounce enables the OSA
Remote to count debounced pulses in addition to the input state
Table C-2 OSA Remote Physical Characteristics
Specification
Value
Height
226 mm (8.90 inches)
Width
137 mm (5.39 inches)
Depth
59 mm (2.32 inches)
Weight
~1587 g (3.5 pounds)
Housing Front/Back
Aluminum 6063-T5
Electroless Nickel Plating
(note that the front of the unit contains the
LEDs)
Housing Top/Bottom/Sides
Aluminum 6061-T6
Black Anodized