842–008 Reed Relay Output, Specifications
(Original Document)
Specification Table
The following table provides the specifications for the unit.
842–008 Specifications
Description
Reed Relay Output (NC)
Number of Points
8
Operating Voltage
300 V, max. Vdc or Peak ac
Number of Groups
8
Outputs / group
1
Maximum Load Current
Carrying
3 A max. continuous after closure
Switching
2 max.
Switching Capability
100 VA max. instantaneous power
Contact Resistance
< 100 mΩ
OFF State
Leakage Current
5 mA @ 120 Vac
Maximum Response Time
6 ms max. (2 ms typical)
Power Required
+5 V
5.06 +/- 0.32 Vdc, 67 mA max.
-5 V
-5.06 +/- 0.26 Vdc, 0 mA
V I/O
4.25 +/- 0.33 Vdc, 400 mA max.
Terminal Connector
AS-8534-000
Fusing
1 / output, 3 A
Protection
The B842-008 output module has a resistor-capacitor snubber network to protect contacts from transients due to switching inductive loads.
Open Circuit Impedance
25 k capacitive reactance at 6 Hz
Isolation Voltage
Between outputs and I/O Bus, between outputs and case, and outputs to outputs.
1500 Vac steady state max. (at 60 Hz) for 60 sec.
2500 Vdc for 60 sec.
Reference Type
Mapped as 8 bits output
0x
or
Mapped as 1 register output
4x
Output Type
BIN/BCD
NOTE: The module must be mounted in an upright position