IMC C SERIES User Manual

© 2018 imc Test & Measurement GmbH
imc C-SERIES - Manual, Version 4 R 3 - 2018-10-19
153Technical Specs: Features (for all devices of imc C-SERIES)
6.8.2 Digital outputs
Technical Details
Parameter
Value
Remarks
Channels / bits
8 bit
Group of 8 bits, galvanically isolated; common
reference potential ("LCOM“) for each group
Isolation strength
±50 V
to system ground (case, CHASSIS)
Output configuration
totem pole (push-pull) or
open-drain
configurable at the DSUB globally for 8 Bits:
· jumper from OPDRN to LCOM: totem pole
· OPDRN unconnected: open-drain
Output level
TTL
or
max. U
ext
-0.8 V
internal, galvanically isolated supply voltage
by connecting an external supply voltage U
ext
with "HCOM", U
ext
= 5 V to 30 V
State upon system power up
high impedance (High-Z)
Independent of output configuration
(OPDRN-pin)!
Activation of the output stage
following system start
upon first preparation
of measurement
with initial states which can be selected in the
experiment (High / Low) in the selected output
configuration (OPDRN-pin)
Max. output current (typ.)
TTL
24 V-logic
open-drain
open-drain with intern.
5 V supply
HIGH
15 mA
22 mA
---
LOW
0.7 A
0.7 A
0.7 A
160 mA
external clamp diode needed for inductive load
for all outputs
Output voltage
TTL
24 V-logic (U
ext
= 24 V)
HIGH
>3.5 V
>23 V
LOW
£ 0.4 V
£ 0.4 V
for load current:
I
high
= 15 mA, I
low
£ 0.7 A
I
high
= 22 mA, I
low
£ 0.7 A
Internal supply voltage
5 V, 160 mA (isolated)
available at terminals
Switching time
<100 µs
Terminal connection
DSUB-15
ACC/DSUBM-DO8
The description of the digital outputs .
63

IMC C SERIES Specifications

General

Brand	IMC
Model	C SERIES
Category	Measuring Instruments
Language	English