Programming instructions

Specifications 7
GP Relay Modules The General Purpose (GP) relay modules include: Agilent N2261A, Agilent
44471A/D, Agilent N2264A and Agilent N2267A. Specifications of them
are listed in the following tables.
ITEMS SPECIFICATIONS
Agilent N2261A Agilent 44471A Agilent 44471D
INPUT CHARACTERISTICS
Total Channels: 40 10 20
Maximum Voltage Terminal-Terminal
or Terminal-Chassis:
200 V, dc or ac rms 250 V, dc or ac rms 250 V, dc or ac rms
Maximum Current Per Channel:
Per Module:
1 A, dc or ac rms
20 A, dc or ac rms
2 A, dc or ac rms
20 A, dc or ac rms
1A, dc or ac rms
20 A, dc or ac rms
Maximum Power Per Channel:
Per Module:
60 W dc; 62.5 VA ac
1200 W dc; 1250 VA ac
60 W dc; 500 VA ac
600 W dc; 5000 VA ac
60 W dc; 125 VA ac
1200 W dc; 2500 VA ac
Maximum Overvoltage Transients: N/A 1400 V
pk
1400 V
pk
Thermal Offset Per Channel: < 3 µV< 3 µV different
or single-ended
< 3 µV different
or single-ended
Initial Closed Channel Resistance: < 0.5 Ω < 1 Ω < 1 Ω
Relay Life
Mechanical: 10
8
(at 36000
operations/hour)
Electrical: 5 x 10
5
(1A load)
10
8
operations/chan
(dry load of < 300 mA & < 10 V)
10
5
operations/chan
(maximum rated load)
10
8
operations/chan
(dry load of < 300 mA & < 10 V)
10
5
operations/chan
(maximum rated load)
Maximum Scan Rate: 80 Chans/sec 43 Chans/sec 43 Chans/sec
DC ISOLATION (with terminal block)
Open Channel,
Channel-Channel
(with 1 channel closed)
< (40
o
C, 50% RH): > 10
10
Ω
< (40
o
C, 80% RH): > 10
9
Ω
< (40
o
C, 60% RH): > 10
11
Ω
< (40
o
C, 95% RH): > 10
9
Ω
< (40
o
C, 60% RH): > 10
11
Ω
< (40
o
C, 95% RH): > 10
9
Ω
Channel-Chassis
(with 1 channel closed)
< (40
o
C, 50% RH): > 10
10
Ω
< (40
o
C, 80% RH): > 10
9
Ω
< (40
o
C, 60% RH): > 5x10
11
Ω
< (40
o
C, 95% RH): > 10
10
Ω
< (40
o
C, 60% RH): > 5x10
11
Ω
< (40
o
C, 95% RH): > 10
10
Ω
AC ISOLATION / PERFORMANCE
a
(without terminal block)
Capacitance
(with 1 channel closed)
Open Channel:
Channel-Channel:
Channel-Chassis:
< 10 pF
< 10 pF
< 20 pF
< 7 pF
< 10 pF
< 25 pF
< 7 pF
< 10 pF
< 25 pF
Insertion Loss
(with 50Ω termination)
100 kHz:
1 MHz:
10 MHz:
< 0.10 dB
< 0.20 dB
< 0.50 dB
< 0.20 dB
< 0.25 dB
< 0.50 dB
< 0.20 dB
< 0.25 dB
< 1.00 dB
Crosstalk
(with 50Ω termination)
100 kHz:
1 MHz:
10 MHz:
< -70 dB
< -50 dB
< -30 dB
< -73 dB
< -53 dB
< -33 dB
< -71 dB
< -51 dB
< -31 dB
a. With chassis of all instruments connected, and with Low Terminal of the input connected to Low Terminal of the
output (either directly or via Agilent 3499A/B/C switching channels)