Monitoring two ionpumps simultaneously causes timeout

For the first time, we have started the ionpumps on both cryostats.

• xcu_r1

  port = 4001
  busid = 1
  pumpids = 3,4
  

• xcu_r0

  port = 4001
  busid = 2
  pumpids = 1,2
  

It appears that asking for ionpump status when the bus is already busy causes timeout.
To solve this problem, we have started monitoring with a shift of few seconds, it seems okay so far.

It's just a reminder, that's not critical.