HP 34970A manual TagHer

Chapter 9 Specifications

Module Specifications

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TagHer

Digital Input / Output

Port 1, 2:	8 Bit, input or output, non-isolated
Vin(L):	< 0.8V (TTL)
Vin(H):	> 2.0V	(TTL)
Vout(L):	< 0.8V	@ Iout = - 400 mA
Vout(H):	> 2.4V	@ Iout = 1 mA
Vout(H) Max:	< 42V with external open drain pull-up
Alarming:	Maskable pattern match or state change
Speed	4 ms (max) alarm sampling
Latency	5 ms (typical) to 34970A alarm output
Read/Write Speed:	95/s

Totalize Input

Maximum Count:	226 - 1 (67,108,863)
Totalize Input:	100 kHz (max), rising or falling edge,
	programmable
Signal Level:	1 Vp-p (min)
	42 Vpk (max)
Threshold:	0V or TTL, jumper selectable
Gate Input:	TTL-Hi, TTL-Lo, or none
Count Reset:	Manual or Read+Reset
Read Speed:	85/s

HP BenchLink Data Logger 3

System Requirements [1]	486, 66 MHz, 16 MB RAM,
PC Hardware:
	12 MB disk space
Operating System:	Windows®3.1, Windows 95,
Computer Interfaces [2]	Windows NT®4.0
HP-IB:	HP 82335B, 82340A/B/C, 82341A/B/C/D
	National Instruments AT-GPIB/TNT,
LAN-to-HP-IB:	PCI-GPIB
	HP E2050A (Windows 95 and NT only)
RS-232 (Serial Port):	PC COM 1 to 4
Performance [3]
Scan and Save to Disk:	100 ch/s, 2 strip charts displayed

[1]Software provided on CD-ROM; includes utility to create floppy disks for installation

[2]Interface and drivers must be purchased and installed separately

[3]90 MHz Pentium®, 20 MB RAM

Analog Voltage (DAC) Output

DAC 1, 2:	±
Resolution:	12V, non-isolated (earth referenced)
	1 mV
Iout:	10 mA max
Settling Time:	1 ms to 0.01% of output
Accuracy:	±(% of output + mV)
1 year ±5 °C	0.25% + 20 mV
Temp Coefficient:	±(0.015% + 1 mV) / °C

IEG