January 2016, Rev. 1
CAM216/16 IOM
Doc. Number: ECM-402-0116
2
Section 1: Introduction
2
Introduction
Table 4.
Dynamic Variables
Sr. No.
Dynamic Variable
Default Assignment
Valid Range
1
Primary Variable
0: Setpoint
0: Setpoint
2
Secondary Variable
1: Position
0: Setpoint
1: Position
3
Tertiary Variable
2: Torque
2: Torque
3: Analog Input 1
4: Analog Input 2
5: Analog Output 1
6: Analog Output 2
7: Hydraulic Pressure
8: Accumulator Pressure
4
Quaternary Variable
3: Analog Input 1
2: Torque
3: Analog Input 1
4: Analog Input 2
5: Analog Output 1
6: Analog Output 2
7: Hydraulic Pressure
8: Accumulator Pressure
Table 5.
Device Physical Information
Type
Specifications
Electrical Input
HART Interface
Voltage Level
10 to 18 VDC
Nominal Current
50 mA
Reverse Polarity Protection
Polarity Sensitive
Digital Communication Protocol
1200bps binary phase continuous Frequency Shift Keying (FSK)
Operating Ambient Temperature Limits -40°C to 80°C (-40°F to 175°F)
1.2
HART Protocol and Device
Description (DD) Information
Valve Automation electric motor actuators equipped with CAM16/216 option use HART
protocol to communicate with other HART devices and a compatible host system. The HART
Communications Protocol communicates over 4-20mA instrumentation cable which permits
an easy upgrade path for legacy instrumentation systems to migrate into a digital industrial
automation protocol.
A HART DD is used to describe the characteristics of the field device to the Host. For more
details on the Device Descriptor (DD) please refer to
Section 9: Device Descriptor
.
When manual installation of the DD is required, please refer to the Emerson Website to find the
latest version of the HART CAM16/216 for download. Alternatively, the DD can be downloaded
directly from the HART Foundation website at
https://en.hartcomm.org
for third party hosts.
Navigate to Technology | Device Descriptions | DD library | Product Catalogue | and locate
the CAM16 or CAM216 DD respectively.
