West Control Solutions N8080 (for 2xxx) - Manual (Page 37)

External Switch/Relay Contacts
Maximum Contact Resistance (Closure): 50 Ω
Minimum Contact Resistance (Open): 5000 Ω
External TTL-Compatible Logic Signal
Maximum Voltage (TTL) for “0”: 0.8V
Minimum Voltage (TTL) for “0": -0.6V
Minimum Voltage (TTL) for “1": 2.0V
Maximum Voltage (TTL) for “1": 24.0V
A.4 TRANSISTOR OUTPUTS
Type: NPN open collector. Output tied to Alarm 1,
Output 2 tied to Alarm 2.
A.5 RELAY 1 OUTPUT
Contact Type: Single pole double throw.
Rating: 5A resistive @ 120/240V AC
Lifetime: >500,000 operations at rated
voltage/current.
Isolation: Inherent
A.6 RELAY 2 OUTPUT (OPTION)
Contact Type: Single pole double throw.
Rating: 5A resistive @ 120/240V AC
Lifetime: >500,000 operations at rated
voltage/current.
Isolation: Inherent
A.7 LINEAR (RE-TRANSMITTED PV) OUTPUT (OPTION)
Ranges available: 0 - 5V, 1 - 5V, 0 - 10V, 2 - 10V, 0 - 20mA
and 4 - 20mA.
PM091-A Volume II A-2
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