Agilent Technologies Agilent 3499A

335
Chapter 9 Specifications
44471D 20-Channel GP Relay Module
4
9
44471D 20-Channel GP Relay Module
INPUT CHARACTERISTICS
Total Channels:
20
Maximum Voltage:;
Terminal-Terminal or
Terminal-Chassis:
250 V, dc or ac rms
Maximum Current:
Per Channel:
Per Module:
1 A, dc or ac rms
20 A, dc or ac rms
Maximum Power:
Per Channel:
Per Module:
60 W dc; 125 VA ac
1200 W dc; 2500 VA ac
Maximum Overvoltage
Transients:
1400 V
pk
Thermal Offset:
< 3 µV differential or single-ended
Initial Closed Channel
Resistance:
< 1 Ω
Relay Life:
Dry Load of < 300 mA & < 10 V:
Maximum Rated Load:
10
8
10
5
Maximum Scan Rate:
a
a. Using the 44474A external increment & channel closed, display off.
43 Chans/sec
DC ISOLATION
Open Channel,
Channel-Channel:
(with 1 channel closed)
< (40
o
C, 60% RH):
< (40
o
C, 95% RH):
> 10
11
Ω
> 10
9
Ω
Channel-Chassis:
(with 1 channel closed)
< (40
o
C, 60% RH):
< (40
o
C, 95% RH):
> 5 x 10
11
Ω
> 10
10
Ω