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42 Installation
Figure 3-10. Control Connector and Cover
+Sand -S
Used to connect the remote sense leads to the power source. Pin + S connects the + S signal and pin - S
connects the - S signal. Remote sensing can only be used in CV and CR modes.
IM and VM
(pins Al and A2)
Used to monitor the module’s input current and voltage. A 0 V-to-10 V signal at the appropriate pin
indicates the zero-to-full scale current or voltage. Pin Al monitors current (IM); pin A2 monitors
voltage (VM).
A Com (pin A3) Provides the common connection for the IM, VM, and external programming (Ext Prg) signals.
Ext Prg (pin A4)
Connects an external programming input. The CC and CV mode can be programmed with a 0 V-to-10
V signal (ac or dc). This signal can act alone or can be combined with values programmed over the
GPIB. Thus, it is possible to superimpose an ac signal upon a dc level.
Pin A5
Not used
Flt (pin A6)
A TTL-compatible output signal that becomes active (high level) when an overvoltage or a reverse
voltage condition or fault occurs. This signal powers up in the inactive (low-level) state.
Port (pin A7) A TTL-compatible output signal that becomes active (high level) when the PORT0 command is
programmed ON. This signal can be used to control an external device such as a relay for shorting or
disconnecting the module’s input terminals or as a general purpose digital output port. This signal
powers up in the inactive (low-level) state.
D Com (pin A8) Provides the common connection for the Flt and Port signals.