Rockwell Automation 1405-M620 Operating Instructions - Manual (Page 22)

Table 13 Relay Outputs
Alarm Logic: contacts open on alarm
Energy pulses Contacts close: 128 ms / 128 ms
Energy pulse output rate Selectable: 0.01, 0.10, 1.00, 10.0, 100
kWh/pulse (0.0 disables)
Contacts rating Voltage 250Vac; 220V dc
Load: 60 VA; 60 W
Table 14 Measurement Accuracy and Range
Parameter Percent of Reading Nominal Value Operating Range Maximum Limit
Volts ±1% 240V rms 10V rms to 347V rms L-N or
17V rms to 600V rms L-L 400V rms L-N or
690V rms L-L
Current ±1% 5 Amps 0.1 Amps to 8 Amps 10 Amps
Power and Energy ±2% n/a n/a n/a
Power Factor ±0.2% n/a n/a n/a
Table 15 Modbus Communications
Port specifications RS-485, 2-wire, half-duplex
Protocol Modbus RTU slave
Data Rate 9.6 or 19.2 Kbaud, selectable
Isolation 500 Vac, tested 1 kV ac
Publication 1405-IN002C-EN-P - November 2004
22 Bulletin 1405 (M620) Operating Instructions
Product Approvals UL/CUL
cULus Listed, File E96956, per UL508, the Standard for Industrial
Control Equipment.
CE Certification
If this product bears the CE marking, it is approved for installation
within the European Union and EEA regions. It has been designed to
meet the following directives.
EMC Directive
This product is tested to meet Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC) and the following standards, in
whole, documented in a technical construction file: