Chapter 5: Technical specifications
138 2X-A Series Installation Manual
Loop specifications
Class A or Class B
2000 Series
At least one isolator per loop (we recommend one
isolator for every 32 devices)
128 max.
Electrical characteristics
– maximum output
2000 Series protocol
900 Series protocol
500 mA [1]
250 mA
2000 Series protocol
900 Series protocol
17 to 28 VDC ±1% (+ protocol modulation)
17 to 28 VDC ±1% (+ protocol modulation)
sistance
2000 Series protocol
900 Series protocol
52 Ω max. (26 Ω per wire)
52 Ω max. (26 Ω per wire)
2000 Series protocol
900 Series protocol
500 nF max.
500 nF max.
[1] Increased to 800 mA if the optional 2010-2A-PAK-HPL is installed.