VTI Instruments Corp.
92 EX1200-4260 Plug-in Module
Pin H/L Signal Pin H/L Signal Pin H/L Signal Pin H/L Signal
B1 H1
CH1_MC1_4W
B9 H1
CH1_MC9_4W
B18 H1
CH2_MC2_4W
D30 H1
CH2_MC10_4W
C1 H2 C9 H2 C18 H2 E30 H2
D1 L1 D9 L1 B26 L1 D29 L1
E1 L2 E9 L2 C26 L2 E29 L2
C1 H1
CH1_MC2_4W
B10 H1
CH1_MC10_4W
B19 H1
CH2_MC3_4W
D28 H1
CH2_MC11_4W
B2 H2 C10 H2 C19 H2 E28 H2
E1 L1 D10 L1 B27 L1 D27 L1
D2 L2 E10 L2 C27 L2 E27 L2
B3 H1
CH1_MC3_4W
B11 H1
CH1_MC11_4W
B20 H1
CH2_MC4_4W
D26 H1
CH2_MC12_4W
C3 H2 C11 H2 C20 H2 E26 H2
D3 L1 D11 L1 B28 L1 D25 L1
E3 L2 E11 L2 C28 L2 E25 L2
B4 H1
CH1_MC4_4W
B12 H1
CH1_MC12_4W
B21 H1
CH2_MC5_4W
D24 H1
CH2_MC13_4W
C4 H2 C12 H2 C21 H2 E24 H2
D4 L1 D12 L1 B29 L1 D23 L1
E4 L2 E12 L2 C29 L2 E23 L2
B5 H1
CH1_MC5_4W
B13 H1
CH1_MC13_4W
B22 H1
CH2_MC6_4W
D22 H1
CH2_MC14_4W
C5 H2 C13 H2 C22 H2 E22 H2
D5 L1 D13 L1 B30 L1 D21 L1
E5 L2 E13 L2 C30 L2 E21 L2
B6 H1
CH1_MC6_4W
B14 H1
CH1_MC14_4W
B23 H1
CH2_MC7_4W
D20 H1
CH2_MC15_4W
C6 H2 C14 H2 C23 H2 E20 H2
D6 L1 D14 L1 B31 L1 D19 L1
E6 L2 E14 L2 C31 L2 E19 L2
B7 H1
CH1_MC7_4W
B15 H1
CH1_MC15_4W
B32 H1
CH2_MC8_4W
C7 H2 C15 H2 C32 H2
D7 L1 D15 L1 B24 L1
E7 L2 E15 L2 C24 L2
B8 H1
CH1_MC8_4W
B17 H1
CH2_MC1_4W
D32 H1
CH2_MC9_4W
C8 H2 C17 H2 E32 H2
D8 L1 B24 L1 D31 L1
E8 L2 D24 L2 E31 L2
4-Wire Common and Backplane Signal Names
Pin/DMM Bus Line H/L Signal Pin/DMM Bus Line H/L Signal
A2 H1
CH1_MC_COM_4W
A28 H1
CH2_MC_COM_4W
A4 H2 A30 H2
A3 L1 A29 L1
A5 L2 A31 L2
BPL_HI H1
4WOHM
BPL_SHI H2
BPL_LO L1
BPL_SLO L2
T
ABLE
4-35:
4-W
IRE
C
ONNECTOR
P
INS
&
S
IGNAL
A
SSIGNMENTS
NOTES The H/L column represents the “HI” and “LO” pins for the 4-wire signal.
The “BPL” references are lines available on the EX1200 mainframe backplane that connect the
plug-in module to the on-board DMM (if installed). For more information on these lines, refer to
the EX1200 Series User’s Manual.