Philips M1351A User Manual
Telemetry System
Chapter 10 Peripherals
115
Telemetry System
The following table lists the signals at each pin. There is no external parameter input, no
HR2 input and no US envelope input.
HR2 input and no US envelope input.
Figure 10-8Telemetry System Pin Connections
Table 10-5 Telemetry System Pin Connections
Pin
Signal
Details
1
HR2 Input
Not connected (HR-LF2).
2
-12V Output
20mA maximum.
3
+5V Output
20mA maximum.
4
+12V Output
20mA maximum.
5
S1 Input
Telemetry On (L).
6 S2
Input
7
S3 Input
DECG inop (L). (M1353A only.)
8
S4 Input
DECG Mode (L). (M1353A only.)
9
S5 Input
AECG Mode (L). Not currently used.
10
S6 Input
US Mode (L).
11 S7
Input
12
S8 Input
IUP Mode (L). (M1353A only.)
13
S9 Input
Toco External Mode (L).
14 HR1
Input
HR-LF.
US range: -3.5V to +3.5V.
DECG range: -6V to +6V.
R
US range: -3.5V to +3.5V.
DECG range: -6V to +6V.
R
i
: >82k
Ω
.
15
Toco Input
Toco dc.
Voltage range: -3V to +2V.
Sensitivity: -1V full scale (-1V=+100 units).
R
Voltage range: -3V to +2V.
Sensitivity: -1V full scale (-1V=+100 units).
R
i
: >82k
Ω
.