User manual

Relay Multiplexer Specifications 97Appendix A
Appendix A
Relay Multiplexer Specifications
Input Characteristics
Maximum Voltage Terminal to Terminal:
220 Vdc; 250 Vac
rms
Maximum Voltage Terminal to Chassis:
220 Vdc; 250 Vac
rms
Maximum Current per Channel (non-inductive):
1 Adc or ac
rms
(Vmax <30 Vdc or 250 V
rms
)
0.3 Adc or ac
rms
(Vmax <133 Vdc or 150 V
rms
)
Maximum Power per Channel: 
40VA
Bias Current:
From HI or LO to chassis, per group of 16 channels:
<0.5 nA/Volt (at 25
0
C, 25% RH)
DC Performance
Insulation Resistance (between any two points):
>5x10
6
 at 40C, 95% RH
>5x10
8
 at 25C, 40% RH
Closed Channel Resistance:
<1.5  initially
<3.5
 at end of relay life
Maximum Thermal Offset per Channel: 
<7V (differential H-L)
AC Performance
Minimum Bandwidth (-3dB, 50 W source/load):
2-Wire mode (4x16): >10 MHz
1-Wire mode (1x128): >3 MHz
Crosstalk Between Channels @10 kHz:
2-Wire mode (4x16): <-90 dB
1-Wire mode (1x128): <-60 dB
Open Channel Capacitance
(channel to channel, channel to common):
2-Wire mode (4x16): <30 pF
1-Wire mode (1x128): <380 pF
Closed Channel Capacitance (Hi-Lo, Lo-Chassis):
2-Wire mode (4x16): 650/700 pF
General
Module Size / Device Type:
C-size VXIbus, Register based
Power Requirements:
Voltage: +5 V
+24 V
Peak Module Current (A) 0.10 0.13
Dynamic Module Current (A) 0.10 0.02
Relay Life:
1
@ No Load: 5x10
6
Operations
@ Full (rated) Load: 10
5
Operations
Watts/slot:
5.0
Cooling/slot:
0.08 mm H
2
0 @ 0.42 Liter/sec
Terminals:
Screw type, maximum wire size 16AWG
Operating Temperature: 0 - 55C
Operating Humidity: 65% RH, 0 - 40C
Net Weight (kg): 1.6
1 Relays are subject to normal wear-out based on the number of operations.