Rockwell Automation 1420 PowerMonitor 500 - Manual (Page 65)

Rockwell Automation Publication 1420-UM001D-EN-P - September 2013
65
Technical Specifications
Appendix B
Table 35 - Analog Output Specifications (A option)
Attribute Value
Number of outputs 2
Accuracy (@ 25 °C ±5 °C, R.H.
60%)
± 0.2% of full scale
Range 0…20 mA
Configuration By means of the front keypad
Signal retransmission The signal output can be connected to any instantaneous variable. See List of Connectable Variables on page 69
Scaling factor Programmable within the whole range of retransmission; it allows the retransmission management of all values from
0…20 mA DC
Response time
400 ms typical (filter excluded)
Ripple
1% (according to IEC 60688-1, EN 60688-1)
Total temperature drift
500 ppm/°C
Load
600 
Insulation See Table 42 Isolation Between Inputs and Outputs (1 minute)
Table 36 - Serial RS-485/RS-232 Communication Specifications (485 option)
Attribute Value
RS-485/RS-422 port
Type Multidrop, bidirectional (static and dynamic variables)
Connections 2-wire max distance 1000 m, termination
directly on the module
Addresses 247, selectable by means of the front key-pad or through the software
Protocol Modbus RTU
Data (bidirectional)
Dynamic (reading only) System and phase variables: see the Modbus register maps
Static (reading and writing only) All the configuration parameters; see the Modbus register maps
Data format 1 start bit, 8 data bit, no/even/odd parity,1 stop bit
Communication rate Selectable: 9.6, 19.2, 38.4, 115.2 Kbps
Driver input capability 1/5 unit load. Max 160 transceivers on the same bus
Insulation See Table 42 Isolation Between Inputs and Outputs (1 minute)
RS-232 port
Type Bidirectional (static and dynamic variables)
Connections 3 wires. Max distance 15 m
Protocol Modbus RTU