Chroma 16502 - RS-232 C Interface Configuration; RS-232 C Interface Connector

Milliohm Meter 16502 User’s Manual
5-24
5.7 Operating Status Group
The 16502 Milliohm Meter provides STATus subsystem commands to access operation status
register (please refer STATUs subsystem in the command structure). It includes an event
register and an enable register. Enable register enables corresponding bit in event register.
The enable register enables the corresponding bit in the event register to set the status
summary bit and bit 7 of the Status Byte Register.
Query event register content
by STAT:OPER:EVEN?
Event Register
Enable Register
Query or set enable register
content by STAT: OPER:
ENAB? STAT: OPER: EBAB
<value>.
0
12
315
0
123
4
Logical OR
&
&
&
&
&
&
&
產生狀態
位元組內
總結位元
14
4
15 14
Bit No
Bit Weight
Description
6-15
Always 0.
5
32
This bit is set to 1 when the 16502 can accept a trigger.
4
16
This bit is set to 1 when the 16502 is actively measuring.
3
Always 0.
2
Always 0.
1
Always 0.
0
Always 0.
5.8 RS-232C Interface Connector
The RS232 of instrument is a connector with 9 pins.
12
3
45
67
89
Summary bit
in status byte
is generated