NI SHC68-68-EPM high-performance shielded cable
The specification and selection manual for NI SHC68-68-EPM high-performance shielded cable introduces that the 1-meter-long 68 pin VHDCI to 68 pin D-type cable adopts independent shielded twisted pair, segmented shielding, copper braided tin plated shielding layer and other noise reduction designs, and is compatible with the M series DAQCard、 Some S-series DAQ devices can be connected to signal conditioning accessories such as SCXI, SCC, SCB-68, BNC terminals, etc; At the same time, a complete selection table for NI’s full range of 68 pin/100 pin/37 pin DAQ cables, junction boxes, and terminal boards will be compiled, covering scenarios such as analog, digital, counter, and analog output, and providing NI technical support and service information.
Core product: SHC68-68-EPM cable
Positioning: High performance noise reduction 68 pin shielded cable, structural advantage with a length of 1 meter
Analog input: independent shielded twisted pair cable+discharge wire (30AWG)
Analog output: Independent twisted pair shielded separately
Digital cable: twisted pair grounding+integral copper braided tin plated shielding
+5V power supply: 26AWG thick wire reduces voltage drop
interface
One end: VHDCI 68 pin male head
One end: 68 needles, 0.050 D-type female head
Full range DAQ cable classification (core table)
1. 68 pin mainstream cable
Model Type Characteristics Applicable Equipment
SHC68-68-EPM high-performance shielding segmented shielding, strongest noise reduction M series, DAQCard, S series
SHC68-68 standard shielded twisted pair, unshielded M-series
SH68-68-EP Universal Shielding High Cost Performance Noise Reduction E/S/B Series
RC68-68 flat ribbon cable, low-cost, unshielded DAQCard, M series
SHC68-68-RDIO/RMIO R series dedicated matching MIO/DIO interface NI 78xxR
2. 100 pin/37 pin cable
100 needles: SH100100, SH1006868 (compatible with E-series DIO)
37 needles: SH37F-37M, DB37M-DB37F-EP (high-voltage isolation model)

Adapt wiring terminal accessories
1. High performance shielding type
SCB-68/SCB-100: Shielded junction box with cold end compensation, 68/100 pins
SCC-68: Portable signal conditioning carrier, supporting 4 SCC modules
BNC-2110/211/2120/2090A: BNC direct access, suitable for laboratories
2. Low cost type
CB-68LP/CB-68LPR: 68 screw terminal, vertical/right angle interface
CB-37 series: 37 pin DIN rail terminal, 150V CAT II
3. PXI specific
TB-2705/2706/2708/2709: Panel mounted terminals, SMB/screw interface
Support series and connection rules
M series: Priority SHC68-68-EPM, can be connected to SCXI/SCC/SCB-68
E series: using SH68-68-EP, compatible with SCXI and 50 pin adapter
S series: SH68-68-EP for high-speed models, SHC68-68-EPM for 6143
R Series: Specialized SHC68-68-RDIO/RMIO
DAQCard: SHC68-68-EPM must ensure EMC
Safety and Compliance
EMC:FCC Part 15A、CE、C-Tick
Safety: IEC 61010-1, CAT I, Pollution Level 2
Must be paired with shielded cables to meet compliance requirements
