ABB REF630 - Checking Optical Connections

Table 3: mA outputs
Terminal Value
Output range ±20 mA
Accuracy ±0.2 mA (ambient temperature -25ºC...+55ºC)
±1 mA (ambient temperature -40ºC...-25ºC /
55ºC...70ºC)
Max load
700 Ω (including lead wire resistance)
Isolation 4 kV (output to output, output to inputs and output
to protective earth)
2.13 Checking optical connections
Check that the Tx and Rx optical connections are correct.
A relay equipped with optical connections requires a minimum depth
of 180 mm for plastic fiber cables and 275 mm for glass fiber cables.
Check the allowed minimum bending radius from the optical cable
manufacturer.
1MRS756801 E Section 2
Starting up
630 series 19
Commissioning Manual