General electrical specification
Supply voltage ERG Gateway 9-30 Vdc
Power consumption 5W (no load)
1Vpp Input Interface
Supply voltage to encoder 5 Vdc (Powered by ERG gateway)
Signal type from encoder 1 Vpp differential incremental
Signal period from encoder 20 µm
Resolution
5 fold interpolation 4 µm
10 fold interpolation 2 µm
Reference signals Single reference mark
Number of channels 2
Cable length between encoder and gateway 150m (Max)
Digital Output Interface
Max. response speed 12 m/min at 50 kHz
Quantization error, at steady state
5 fold interpolation 22°
10 fold interpolation 11°
Permissible load 40 mA (Max)
Signal levels HTL or RS422 implemented via Line drivers
Number of channels 6 channels: S00, S90, Sref, S00 inv, S90 inv and Sref inv
Cable length (Max) HTL 200m @ 50kHz RS-422 500m
PROFIBUS Interface
Baudrate 9.6 kb/s – 12 Mb/s
Cable length 400 m @ 1,5 Mb/s, 100 m at 12 Mb/s
Isolation of PROFIBUS interface 1kVdc
Address setting configurable via switches 3 DIP-switches (Address 0-126)
Diagnostics by PROFIBUS Alarms
Error counter value
Alarm buffer
Operating time
Gateway firmware version
Status Outputs
Signal level 2 individual outputs via opto-couplers
Permissible load 20 mA (Max)
Isolation 1kVdc
Alarm types Encoder or gateway error
Counting error against reference signal
Input signal state transition error
Input 1 Vpp <200 mV Velocity alarm Gateway internal communication Power supply alarm 1Vpp amplitude alarm, level set by user (default 500 mV) Reset Input Signal level 2 individual inputs via opto-couplers Permissible load 20 mA (Max) Isolation 1kVdc